N601QX

Part: DOOR — BINDS (CARGO BAY) · airframe 20,056 hrs · 14,928 cycles

SEA - MCD DIFFICULT TO OPEN AT TIMES. PERFORMED OPERATIONAL TEST OF THE PASSENGER DOOR IAW CRJ AMM TASK 52-11-00-710-801AO2. OPS TEST GOOD. NO DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ATTACH ANGLE — CRACKED (FUSELAGE) · airframe 19,374 hrs · 14,397 cycles

LT SIDE CONNECTING ANGLE FOR THE VERTICAL STAB TO THE FUSELAGE IS CRACKED APPROX 1.5 INCH AT VERTICAL STAB STRINGER DATUM 55.62 PERCENT. HFEC IAW CRJ 700 NDTM PART 1 51-20-006 CONFIRMED AND MARKED. MAPPED FOR ENGINEERING. REMOVED FASTENERS FROM AFFECTED AREA AND COMPLIED WITH REO 670-53-84-094 NOTES 1,2. HFEC CUT LINE EDGES AND UNDERLYING STRUCTURES IAW REO 670-53-84-094 NOTE 3. NO CRACKS NOTED. FABRICATED REPAIR DOUBLER AND FILLER ANGLE AS PER REO 670-53-84-094 SHT 2 STEPS 4-7. HFEC IAW CRJ 700 NDTM PART 1 51-20-006 AT RADIUS. NO CRACKS NOTED. INSTALLED DOUBLER AND FILLER TO COMPLETE REPAIR IAW REO 670-53-84-094 AND SRM 51-25-01.

Part: ANGLE — CRACKED (VERTICAL STAB) · airframe 19,374 hrs · 14,397 cycles

THE AFT CONNECTING ANGLE ON THE LT SIDE FOR THE VERT STAB TO THE FUSELAGE IS CRACKED AT THE FWD END APPROX. .75 INCH AT VERTICAL STAB STRINGER DATUM 67.5 PERCENT. HFEC IAW NDTM PART 1, 51-20-006 CONFIRMED AND MARKED CRACK. MAPPED AREA FOR ENGINEERING. REMOVED FASTENERS FROM AFFECTED AREA AND COMPLIED WITH REO 670-53-84-094 NOTE 1,2. HFEC CUT LINE EDGES AND UNDERLYING STRUCTURES IAW REO 670-53-84-094 NOTE 3, NO CRACKS NOTED. FABRICATED REPAIR DOUBLER AND FILLER ANGLES AS PER REO 670-53-84-094 SHEET 2 STEPS 4-7. HFEC IAW NDTM PART 1, 51-20-006 AT RADIUS NO CRACKS NOTED. INSTALLED DOUBLER AND FILLER ANGLE IAW REO 670-53-84-094 AND CRJ SRM 51-25-01.

Part: ANGLE — CRACKED (VERTICAL STAB) · airframe 19,374 hrs · 14,397 cycles

THE LT SIDE CONNECTING ANGLE FOR THE VERTICAL STAB TO THE FUSELAGE IS CRACKED APPROX 1 FT AT VERTICAL STAB STRINGER DATUM 67.5 PERCENT. HFEC IAW NDTM PART 1 51-20-006. CONFIRMED AND MARKED CRACK. MAPPED AREA FOR ENGINEERING. REMOVED FASTENERS FROM AFFECTED AREA AND COMPLIED WITH REO 670-53-84-094 NOTE 1,2. HFEC CUT LINE EDGES AND UNDERLYING STRUCTURE IAW REO 670-53-84-094 NOTE 3, NO CRACKS NOTED. FABRICATED REPAIR DOUBLER AND FILLER ANGLES AS PER REO 670-53-84-094 SHT 2 STEPS 4-7. HFEC IAW NDTM PART 1 51-20-006 AT ANGLE RADIUS NO CRACKS NOTED. INSTALLED DOUBLER AND FILLER ANGLE IAW REO 670-53-84-094.

Part: FLOOR SUPPORT — CORRODED (BS 311-315) · airframe 19,374 hrs · 14,397 cycles

MCD THRESHOLD LONGITUDINAL FLOOR SUPPORT/SHORT ANGLE IS CORRODED AT FWD END TOP SURFACE FS 311.00-FS 315.00, BL32L, WL72.50. REMOVED MCD THRESHOLD LONGITUDINAL FLOOR SUPPORT SHORT ANGLE IAW SRM 51-42-06. MATCH DRILLED NEW FLOOR SUPPORT/SHORT ANGLE TO EXISTING AIRCRAFT STRUCTURE IAW SRM 51-40-11. INSTALL 3 RIVETS IN LONGITUDINAL FLOOR SUPPORT WER IAW 51-42-07, 51-23-02. MATCHED DRILLED HOLES IN FWD CAP ANGLE FOR MCD THRESHOLD, INSTALLED NUTPLATE AND ATTACHED FWD CAP ANGLE TO MCD THRESHOLD FLOOR SUPPORT USING 2 RIVETS IAW SRM 51-40-11 AND 51-42-06-001-001-A01. COMPLETED INSTALL OF FWD ANGLE BY INSTALLING SOLID RIVETS WET FER SRM 51-42-07.

Part: ANGLE — CORRODED (BS 317-342) · airframe 19,374 hrs · 14,397 cycles

MCD THRESHOLD KICK PLATE ANGLE IS CORRODED AROUND THE DOOR SENSOR MOUNT POINT ANGLE IS LOCATED BETWEEN FS 317-FS 342, BL32L, AND WL72.50 REF SRM 53-21-23-991-801 ITEM 59. REMOVED KICK PLATE BY DRILLING HEADS OFF OF RIVET FASTENERS IAW CRJ700 SRM 51--42-06 AND 51-42-20. MATCH DRILLED NEW KICK PLATE ANGLE TO EXISTING ACFT STRUCTURE IAW SRM TASK 51-40-11-001-001-A01. INSTALLED NUTPLATES ON KICK PLATE ANGLE IAW SRM 51-42-06-001-001-A01. INSTALLED KICKPLATE ANGLE WET W/PR870B1/2. INSTALLED HINGE BRACKETS ONTO KICKPLATE AND AIRCRAFT STRUCTURE REF CRJ SRM 51-42-07 AND 51-42-22.

Part: THRESHOLD — DAMAGED (FUSELAGE) · airframe 19,374 hrs · 14,397 cycles

AFT CAP ANGLE OF MCD THRESHOLD HAS A MISDRILLED HOLE REF SRM 53-21-23 P 13. MATCH DRILLED HOLES ON NEW AFT CAP ANGLE FOR MCD THRESHOLD IAW CRJ700 SRM 51-40-11. INSTALLED MCD THRESHOLD IAW SRM 51-40-11, 52-42-06-001-001-A0L AND 51-42-07.

Part: FLOOR SUPPORT — CORRODED (BS 315-318) · airframe 19,374 hrs · 14,397 cycles

PDX - 8YR CHECK - MCD THRESHOLD CABIN FLOOR SUPPORT (WITH RECESS FOR MCD FWD RAILING) IS CORRODED FS 315.00 - FS 318.00, BL37L-BL40L, WL72.50. REMOVED MCD THRESHOLD CABIN FLOOR SUPPORT (WITH RECESS) IAW CRJ700 SRM 51-42-06. MATCH DRILLED NEW CABIN FLOOR SUPPORT TO EXISTING ACFT STRUCTURE IAW CRJ700 SRM TASK 51-40-11-001-001-A01. INSTALLED NUTPLATES TO FLOOR SUPPORT IAW CRJ700 51-45-00. INSTALLED FLOOR SUPPORT BY SHOOTING 4 RIVETS AND WET SEALING IAW CRJ 700 SRM 51-42-07 AND 51-23-02.

Part: INTERCOSTAL — CORRODED (BS 281-283) · airframe 19,374 hrs · 14,397 cycles

RT FUSELAGE STRUCTURAL INTERCOSTAL AT CABIN FLOOR LEVEL IS CORRODED FS 281.00-FS 283.00, Y42R, WL72.50. REMOVED DOUBLER ON INTERCOSTAL AT FS 281 - FS283. STRIPPED PAINT AND BLENDED DAMAGE FOR ENGINEERING. BLENDED REMAINING CORROSION IAW SRM 51-21-06 TO REMOVE DAMAGE. HFEC IAW NDTM PART 1 51-20-006. NO CRACKS NOTED. UT THICKNESS CHECK IAW NDTM PART 1 51-20-004 LOW .047. FOUND AREA AFT OF CUTOUT REPAIR AREA (REF REO670-53-21-139) TO BE WITHIN LIMITS IAW SRM 53-21-45 AND 53-00-00 PAGE 103 WITH .003 INCH OF MATERIAL REMOVED.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 19,374 hrs · 14,397 cycles

MULTIPLE AREAS OF CORROSION ON FS 280.0 FLOORBEAM. REMOVED 280 BEAM LT IAW T/C SB670BA-53-026. RELOCATED AND DRILLED NEW 280 BEAM AND ANGLES IAW T/C SB670BA-53-26/B. INSTALLED LT SIDE 280 BEAM IAW SB670BA-53-026. REMOVED INTERCOSTALS ON RIGHT SIDE OF 280 BEAM. INSTALLED INBD AND OTBD INTERCOSTALS, LOCATED AND INSTALLED INTERCOSTAL BRACKET IAW T/C SB670BA-53-026/B. REMOVED RT 280 BEAM IAW SB670BA-53-026, LOCATED AND DRILLED NEW RT 280 BEAM IAW SB670BA-53-026. INSTALLED RT 280 BEAM IAW T/C SB670BA-53-26/C. LOCATED AND DRILLED UP 280 BEAM SPLICE PLATES IAW REO 670-53-11-047. LOCATED AND DRILLED UP SHIMS AND COUNTERSUNK HOLES FOR INSTALL OF DRIP TRAY IAW SB670BA-53-026/B AND REO 670-53-11-047. LOCATED AND DRILLED RT SIDE BRACKET BA670-30068-2. INSTALLED LT DRIP TRAY REF. T/C SB670BA-53-026/B INSTALLED INBD RT INTERCOSTAL REF T/C SB670BA-53-026/B. REMOVED LT AND RT NR 8 BRACKET, LT AND RT TEE BRACKET AND CAMLOCK CHANNEL, FABRICATED SHIM TO ADJUST FOR PRELOAD ON NR 8 RT BRACKET. INSTALLED LT AND RT TEE BRACKETS AND CAMLOCK CHANNEL REF T/C SB670BA-53-026/C COMPLETED INSTALL OF FWD 45 ANGLE BRACKETS TO 280 BEAM REF T/C R-53-496.

Part: SKIN — GOUGED (BS 985) · airframe 19,374 hrs · 14,397 cycles

BOTTOM OF FUSELAGE IS GOUGED AT APPROX FS 985 BL0 (BETWEEN STR26L AND 26R). BLENDED AREA OF GOUGE TO REMOVE DAMAGE IAW SRM 53-61-01-101. HFEC IAW NDTM PART 1 51-20-006, NO CRACKS NOTED. UT THICKNESS IAW NDTM PART 1 51-20-004 LO .054. MAPPED FOR ENGINEERING. REMOVED EXISTING FASTENERS FROM AFFECTED AREA AND CUT OUT DAMAGE REF REO 670-53-61-474 NOTE 1. HFEC INSPECTED CUT OUT AREA FOR CRACKS IAW REO670-53-61-474/3 NOTE 2. NO CRACKS NOTED. CONTINUED REPAIR IAW REO670-53-61-474/3 NOTES 3. FABRICATED REPAIR DOUBLER, DRILLED UP DOUBLER AND FILLER, INSTALLED COUNTERSINK FILLER IN TWO EXISTING AIRFRAME HOLES DEBURRED EXTERIOR SKIN AND REPAIR PARTS, ALODINED AND PRIMED REPAIR PARTS AND SKIN CUTOUT REF REO670-53-61-474 NOTES 4,6TO 8 AND 10, NOTE 5 IS NA (NOT REQUIRED). INSTALLED HIGH LIGHTS INTO DOUBLER IAW REO670-53-61-474 NOTES 9, 12 ,AND 13-16. NOTE 14 IS N/A AS EXISTING BLENDOUT IS REPAIRED IAW REO 670-53-61-474. INSPECTED AREA OF C-CHANNEL TO BE TRIMMED PER MODSUM IS670538200021 AND FOUND MODSUM TO HAVE BEEN PCW. COMPLIED WITH FINISH CODE IAW REO 670-53-61-474 STEP 11 SHEET 4 AND FINISH CODES ON SHEET 3 PARTS LISTING.

Part: FRAME — CORRODED (BS 310) · airframe 19,374 hrs · 14,397 cycles

CORROSION ON FRAME AT FS 310.00 AROUND MULTIPLE RIVETS BETWEEN STRINGERS 27 AND 26R. REMOVED 7 SOLID RIVETS AT FS 310.00 BETWEEN STRINGERS 27 AND 26R TO GAIN ACCESS TO CORROSION. REMOVED MODERATE CORROSION REF SRM 51-21-06 PG 4 PARA 3D(1) AND (2). UT THICKNESS CHECKED BLENDED AREA IAW NDTM 51-20-004 HI .050 INCH LO .046 INCH. PERFORMED FPI ON BLENDED AREAS IAW NDTM 51-20-008, NO CRACKS NOTED. BLEND FOUND TO BE OUT OF LIMITS RE SRM 53-21-06 PG 2, PARA 3,B (1) (A). MAPPED FOR ENGINEERING. FOUND AREA OF BLEND TO BE WITHIN LIMITS IAW REO 670-21-462. INSTALLED 7 SOLID RIVETS AT FS 310 BETWEEN STRINGERS 27 AND 26R. INSTALLED WET IAW SRM 51-23-00-001-001-A01, 51-42-07-001-001-A01. ALODINED AND PRIMED AREA PRIOR TO INSTALL IAW SRM 51-21-11-001-001-A01, 51-25-16, APPLIED PAINT AND HARDCOAT TO 7 RIVETS AND INSIDE SKIN AT FS 310.00 BETWEEN STRINGERS 27 AND 26R IAW SRM 51-25-21-001-001-A01, 51-23-00-001-001-A01.

Part: REINFORCEMENT — CORRODED (BS 310) · airframe 19,374 hrs · 14,397 cycles

LIGHT FRETTING CORROSION FORMING AT REINFORCING PLATE MCD SURROUND FWD FRAME AT FS 310.00 CABIN FLOOR LEVEL. BLENDED OUT CORROSION ON FWD REINFORCING PLATE REF SRM 53-212-23-101. REMOVED ONE HIGH LIGHT. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW NDTM 51-20-006, NO CRACKS NOTED. UT THICKNESS CHECKED BLENDED AREA IAW NDTM 51-20-004 HI=.260", LO=.248". ALODINED PRIMED AND PAINTED AREA IAW SRM 51-25-16, 51-25-06, 51-21-11. INSTALLED NEW HIGH LIGHT IAW CRJ 700 SRM 51-42-22.

Part: SEAT TRACK — CORRODED (BS 553) · airframe 19,374 hrs · 14,397 cycles

RT SEAT RAIL HAS CORROSION ON RAIL AT APPROX FS 553.00. BLENDED CORROSION, DEEPEST LOCATION REMOVED .013 MATERIAL, FOUND TO BE WITHIN LIMTS IAW CRJ 700 REO 670-53-00-013 STEP 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 667-718) · airframe 19,374 hrs · 14,397 cycles

LEFT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 667.00 AND FS 718.00. BLENDED SEAT TRACK BETWEEN FS 677.00 AND FS 718.00 IAW REO 670-53-00-013 NOTE 1. MAX MATERIAL REMOVED AT DIMENSION "U" .009 INCH. FOUND TO BE WITHIN LIMITS TABLE 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: WEB — CORRODED (BS 280) · airframe 19,374 hrs · 14,397 cycles

WEB CORRODED AT FS 280.00 APPROX BETWEEN LBL 11 AND LBL 18. REMOVED CORROSION ON WEB IAW REO 670-53-11-052. PERFORMED THICKNESS CHECK IAW NDTM 51-20-004 AND REO 670-53-11-052 PG 2, STEP 5. MAX READ .041 INCH MINIMUM READ .036 INCH .005 MATERIAL REMOVED. ALODINED, PRIMED AND PAINTED REWORKED AREA IAW REO 670-53-11-052.

Part: SEAT TRACK — CORRODED (BS 915-950) · airframe 19,374 hrs · 14,397 cycles

LT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 915.00 AND FS 950.00. BLENDED LT OTBD SEAT TRACK BETWEEN FS 915.00 AND FS 950.00 IAW REO 670-53-00-013 NOTE 1. MAX MATERIAL REMOVED AT DIMENSION "U" .005 INCH FOUND TO BE WITHIN LIMITS OF TABLE 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 838-858) · airframe 19,374 hrs · 14,397 cycles

PDX - 8YR TASK - LT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 838.00 AND FS 858.00. BLENDED LT OTBD SEAT TRACK BETWEEN FS 838.00 AND FS 858.00 IAW REO 670-53-00-013 NOTE 1 MAX MATERIAL REMOVED AT DIMENSION "U" .005 FOUND TO BE WITHIN LIMITS OF TABLE 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 785-828) · airframe 19,374 hrs · 14,397 cycles

LT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 785.00 AND FS 828.00. BLENDED LT OTBD SEAT TRACK BETWEEN FS 785.00 AND FS 828.00 IAW REO 670-53-00-013 NOTE 1. MAX MATERIAL REMOVED AT DIMENSION "U" .021 FOUND TO BE WITHIN LIMITS OF TABLE 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 581) · airframe 19,374 hrs · 14,397 cycles

PDX - 8YR TASK - RT SIDE SEAT RAIL HAS CORROSION ON RAIL AT APPROX FS 581.00. BLENDED CORROSION, DEEPEST LOCATION REMOVED .032 MATERIAL FOUND TO BE WITHIN LIMITS IAW REO 670-53-00-013 STEP 1. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 718-761) · airframe 19,374 hrs · 14,397 cycles

LT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 718.00 AND FS 761.00. BLENDED LT OTBD SEAT TRACK BETWEEN FS 718.00 AND FS 1.00 IAW REO 670-53-00-013 NOTE 1. MAX MATERIAL REMOVED AT DIMENSION "U" .010 INCH FOUND TO BE WITHIN LIMITS OF TABLE 1. ALODINED AND REIDENTIFIED SEAT TRACKS IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 613) · airframe 19,374 hrs · 14,397 cycles

PDX - 8YR TASK - RT SIDE SEAT RAIL HAS CORROSION ON RAIL APPROX FS 613.00. BLENDED CORROSION PER REO 670-53-00-013 NOTE NR 1 MAX MATERIAL REMOVED .016 BLEND FOUND TO BE WITHIN LIMITS. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: SEAT TRACK — CORRODED (BS 902-918) · airframe 19,374 hrs · 14,397 cycles

PDX - 8YR TASK - RT OTBD SEAT TRACK HAS CORROSION BETWEEN FS 902.00 AND FS918.00. BLENDED CORROSION IAW REO670-53-00-013 NOTE 1. REMOVED MAX MATERIAL OF .001 INCH FROM DIMENSION "U" AND .002 INCH FROM DIMENSION "T". FOUND TO BE WITHIN LIMITS. ALODINED AND REIDENTIFIED SEAT TRACK IAW REO 670-53-00-013.

Part: ROD — UNSECURE (GALLEY DOOR) · airframe 19,112 hrs · 14,181 cycles

PDX - GALLEY SERVICE DOOR DIFFICULT TO OPEN. RESECURED INTER ROD. OPS CHECK GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ANGLE — CRACKED (PAX DOOR) · airframe 18,391 hrs · 13,555 cycles

PDX - PAX DOOR STEP SUPPORT STRUCTURE AFT SIDE BOTTOM (CURVED) CLOSING ANGLE CRACKED APPROX MIDWAY UP DOOR, 6 INCHES LONG. REPLACED DRAY ANGLE IAW REO 670-52-11-072. RETURNED TO SERVICE.

Part: PRESSURE SYSTEM — MALFUNCTIONED · airframe 18,267 hrs · 13,429 cycles

SEA- "AUTO PRESS" CAUTION MESSAGE AFTER T/O. SELECTED "MAN PRESS." AT THAT TIME WE GOT AN "AUTO PRESS 1/2 FAIL". RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. FOUND "CPC PNL FAILED" FAULT IN THE MDC. MDC STATES THAT THE CABIN PRESS CONTROL PANEL IS NOT ABLE TO PROVIDE CABIN PRESS DATA. THIS WAS NOTED ON DATA LINE 350 BIT 13 "CPCP PRESS SNSR FAIL." CYCLED SHIP POWER. FAULT DID NOT RETURN. COMPLIED WITH CRJ700 FIM TASK 21-33-01-810-804-A01. FAULT DID NOT RETURN. COMPLIED WITH OPS TEST OF THE CABIN PRESSURE CONTROL PANEL IAW CRJ-700 MM TASK 21-33-01-710-801-A01. FAULT DID NOT RETURN. OPS CHECK GOOD. PRESSURIZED AIRCRAFT IN MANUAL MODE. NO FAULTS INDICATED. CHECKS GOOD. NO PARTS REPLACED AT THIS TIME. ALL FAULTS CLEARED AND REMAIN CLEARED. OP TESTS CHECK GOOD. RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (PAX) · airframe 17,226 hrs · 12,572 cycles

SEA - FLIGHT 2534 - MAIN CABIN DOOR DIFFICULT TO RAISE AND LATCH CLOSED. MAINTENANCE PERFORMED NUMEROUS DOOR OPERATIONS WITH NO DEFECTS. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED. (A)

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 17,157 hrs · 12,524 cycles

PDX C4 CHECK AT APPROX STA FS541 ON THE RT IB SEAT TRACK THERE ARE AREAS OF CORROSION ON THE UPPER EDGES OF THE TRACK. BLENDED AREAS OF CORROSION ON BOTH SIDE OF THE TOP OF TRACK AREA APPROX 0.5" X 3.0". MAX MATERIAL REMOVED .009" WITHIN LIMITS AS PER REO 670-53-00-13. COMPLETED COMPLIANCE WITH REO 670-53-00-013 PG 2 STEPS 3-9.

Part: FRAME — CORRODED (FUSELAGE)

C4-CHECK - FWD AVIONICS AND FLIGHT CONTROL COMPARTMENT HAS CORROSION ON FRAME AROUND NUTPLATE HOLES AT CRAWL WAY PANEL FWD IB AND OB ATTACHING POINTS ST FS 235.00. DRILLED OUT FWD LT AND RT NUTPLATES. BLENDED OUT CORROSION FROM UPPER SURFACE AROUND LT AND RT NUTPLATES. BLENDED OUT CORROSION ON EDGE AFT OF LT AND RT NUTPLATE HOLES. REMOVED APPROX .030 INCH MATERIAL FROM LT EDGE APPROX .050 INCH FROM RT EDGE. WORK DONE IAW SRM. (K)

Part: DOOR — STICKING (MAIN PAX) · airframe 16,283 hrs · 11,884 cycles

PDX- FLIGHT 2555 - MAIN CABIN DOOR COULD NOT BE OPENED BY PULLING THE HANDLE ON THE GROUND. HAD TO GET A LARGE LADDER TO OPEN THE DOOR. EVEN THEN IT WAS HARD TO OPEN. MAINTENANCE OPERATED THE DOOR THROUGH SEVERAL CYCLES WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ROLLER — LACK OF LUBE (PAX DOOR) · airframe 16,197 hrs · 11,819 cycles

PDX - FLIGHT 2520 - MAIN CABIN DOOR WILL NOT SWING OPEN WITHOUT DIFFICULTY FROM THE OUTSIDE. INSIDE OPENING NORMAL. MAINTENANCE CLEANED AND LUBED THE GUIDE ROLLERS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: FIRE WARNING — ILLUMINATED (APU BAY) · airframe 16,049 hrs · 11,702 cycles

SEA - FLIGHT 2584 - APU FIRE FAIL CAUTION ILLUMINATED. MAINTENANCE PLACED ON MEL 26-12-1A. AIRCRAFT RETURNED TO SERVICE.

Part: FIRE LOOP — SHORTED (APU BAY) · airframe 16,021 hrs · 11,684 cycles

SEA - FLIGHT 9851, FIRE SYSTEM FAULT MESSAGE RECEIVED, APU LOOP "A" SHORTED. MAINTENANCE PLACED THE SYSTEM ON MEL 26-00-1. AIRCRAFT RETURNED TO SERVICE.

Part: FIRE WARNING — ILLUMINATED · airframe 15,962 hrs · 11,640 cycles

SMF - FLIGHT 2560 - RECEIVED A FIRE SYSTEM FAULT MESSAGE. MAINTENANCE PLACED THE SYSTEM ON MEL 26-00-1. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — ODOR · airframe 15,898 hrs · 11,591 cycles

LAX - WITH EXTERNAL POWER PLUGGED IN, THE AC GREEN POWER LIGHT CYCLES OFF AND ON AND A BURN ODOR IS NOTICED. MAINTENANCE PLUG IN EXTERNAL POWER AND APPLIED POWER FOR OVER 15 MINUTES. LIGHT WAS STEADY GREEN AND THERE WAS NO BURN ODOR NOTICED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ELEMENT — MALFUNCTIONED (FIRE DETECTION) · airframe 15,845 hrs · 11,570 cycles

SEA- FLIGHT 2904 - RECEIVED A FIRE SYSTEM FAULT STATUS MESSAGE. MAINTENANCE REPLACED THE FIRE SENSING ELEMENT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING MESSAGE — ILLUMINATED (FIRE SYS) · airframe 15,861 hrs · 11,564 cycles

SEA - RECEIVED A FIRE SYSTEM FAULT STATUS MESSAGE. MAINTENANCE PLACED THE SYSTEM ON MEL 26-00-1. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — FAULTED (FIRE DETECTION) · airframe 15,723 hrs · 11,464 cycles

DEN - RECEIVED A FIRE SYSTEM FAULT MESSAGE. MAINTENANCE REPLACED THE FIDEEX CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — SPARKS (COCKPIT) · airframe 15,150 hrs · 11,047 cycles

LIT- FLIGHT 4321, F/O'S MAP LIGHT SHORTED AND SPARKED, THEN THE CIRCUIT BREAKER POPPED. MAINTENANCE DEACTIVATED THE SYSTEM BY PLACING A COLLAR OVER THE CIRCUIT BREAKER AND PLACED THE SYSTEM ON MEL 33-11-1. AIRCRAFT RETURNED TO SERVICE.

Part: SHUTOFF VALVE — FAILED (ENGINE BLEED) · airframe 15,094 hrs · 11,006 cycles

DEN - FLIGHT 4330, RECEIVED A RIGHT ENGINE BLEED CAUTION MESSAGE. MAINTENANCE REPLACED THE HIGH PRESSURE SHUTOFF VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL VALVE — FAILED (STARTER) · airframe 14,957 hrs · 10,898 cycles

DEN - UPON PUSHBACK, THE LEFT ENGINE WOULD NOT START. RETURNED TO THE GATE, MAINTENANCE REPLACED THE STARTER AND CONTROL VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CARTRIDGE — UNKNOWN (FUEL) · airframe 14,766 hrs · 10,765 cycles

DEN - ON CLIMB-OUT, RECEIVED A LEFT XFER SOV FUEL CAUTION. AFTER CHECKLIST PERFORMED, NO FURTHER PROBLEMS. RETURNED TO THE FIELD. MAINTENANCE REPLACED THE LEFT FUEL TRANSFER SOV CARTRIDGE. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PANEL — LOOSE (CABIN) · airframe 14,691 hrs · 10,704 cycles

DEN- TAXI FOR FLIGHT 4331 THE PLASTIC OVERHEAD PANEL IN CABIN WAS LOOSE. RETURNED TO THE GATE. MAINTENANCE SECURED THE PANEL. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SENSOR — FAILED (RT ENGINE) · airframe 14,658 hrs · 10,677 cycles

TUL- FLIGHT 4202, JUST AFTER ROTATION RECEIVED A RIGHT ENGINE BLEED CAUTION MESSAGE. PERFORMED THE CHECKLIST AND NO FURTHER ACTION TAKEN. MAINTENANCE REPLACED THE LEFT BLEED AIR TEMP SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DCU — INOPERATIVE (NR 1) · airframe 14,647 hrs · 10,669 cycles

DEN - FLIGHT 4207 - RECEIVED A DCU 1 INOP MESSAGE AND ALSO A AURAL WARNING. RETURNED TO THE GATE. MAINTENANCE REPLACED THE NR 1 DCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN · airframe 14,429 hrs · 10,514 cycles

DEN - FLIGHT 4183, RIGHT BLEED MASTER CAUTION ON CLIMB-OUT. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE FOUND NO POSTED MESSAGE IN MDC. PERFORMED FIM TASK 30-22-01-810-810-A01. NO DEFECTS NOTED. PERFORMED OPS CHECK OF PRSOV WITH NO DEFECTS. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: LIGHT — SPARKS (COCKPIT) · airframe 14,403 hrs · 10,495 cycles

TUL- WHILE DEPLAINING THE PASSENGERS, THE FIRST OFFICERS MAP LIGHT STARTED TO ARC AND SPARK FROM THE BACK OF THE UNIT. THEN FOR APPROX 30 SECONDS IT SMOKED. AFTER THAT, NOTHING ELSE HAPPENED. MAINTENANCE FOUND THE BULB NOT MAKING CONTACT WITH THE CONTACTOR, ADJUSTED THE CONTACTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: PANEL — UNSECURE (CABIN) · airframe 14,118 hrs · 10,294 cycles

DEN - FLIGHT 4432 - CEILING PANEL AT ROW 10 HANGING DOWN. RETURNED TO THE GATE. MAINTENANCE RESECURED THE PANEL. NO OTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — LACK OF LUBE (MAIN PAX) · airframe 13,749 hrs · 10,044 cycles

DEN - ON FLIGHT 4340, MAIN CABIN DOOR HARD TO OPEN. MAINTENANCE INSPECTED AND FOUND INNER HANDLE DETENT ASSY DIRTY. CLEANED AND LUBED ASSY. OPERATIONAL CHECKED GOOD. NO DEFECTS OR FAULT NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ENGINE — LACK OF LUBE (RIGHT) · airframe 13,193 hrs · 9,682 cycles

DEN - ON TAXI FOR FLIGHT 4321, RECEIVED A RIGHT ENGINE LOW OIL STATUS MESSAGE. RETURNED TO THE GATE. MAINTENANCE SERVICED THE RIGHT ENGINE OIL AS REQUIRED. MESSAGE WENT AWAY AND AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: TUNING UNIT — MALFUNCTIONED (NR 2 RADIO) · airframe 12,898 hrs · 9,495 cycles

PDX- NAV NR 2 RADIO WILL NOT SELECT FREQUENCY. RETURNED TO THE GATE. MAINTENANCE CYCLED POWER TO THE TUNING UNIT. SYSTEM RETURNED TO NORMAL OPERATION. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SKIN — CORRODED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING FUEL TANK BOTTOM SKIN ACCESS PANEL REBATE HAS FRETTING CORROSION AT INBOARD AND OUTBOARD END OF ACCESS OPENING AT WS 70 AND WS 88. REPAIRED IAW REO670-57-00-025.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT FUEL TANK ACCESS PANEL 641 BB HAS FRETTING CORROSION ON MATING SURFACE OF PANEL. REPAIRED IAW REO670-57-12-003.

Part: SKIN — CORRODED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING FUEL TANK BOTTOM SKIN ACCESS HOLE REBATE AT WS 45 HAS LIGHT FRETTING CORROSION ON MATING SURFACE OF PANEL. REPAIRED IAW REO670-57-00-025.

Part: SKIN — CORRODED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING FUEL TANK BOTTOM SKIN ACCESS HOLE REBATE AT WS 96 HAS LIGHT FRETTING CORROSION ON MATING SURFACE OF PANEL. REPAIRED IAW REO670-57-00-025.

Part: SKIN — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING FUEL TANK BOTTOM SKIN ACCESS HOLE REBATE AT WS 24 HAS LIGHT FRETTING CORROSION ON MATING SURFACE OF PANEL. REPAIRED IAW REO670-57-00-025.

Part: DRAG ANGLE — CRACKED (AIRSTAIRS) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - PASSENGER DOOR AIRSTAIR AFT DRAG ANGLE HAS A SUSPECTED CRACK BESIDE THE PULLEY BRACKET. REPAIRED IAW REO670-52-11-072.

Part: SKIN — BENT (RT PYLON) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT PYLON UPPER SKIN REBATE FOR PANEL 422OT IS BENT. REPAIRED IAW REO670-54-51-010.

Part: SEAT TRACK — NICKED (COCKPIT) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - COCKPIT SEAT TRACKS HAVE NICKS ON THE UPPER SURFACE. REPAIRED IAW SRM 53-11-49.

Part: SEAL — UNKNOWN (L/E SLAT) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING SLAT SEALS AT LOCATIONS 1-2, 2-3. REPAIRED IAW HORIZON AIR TASK CARD IS67057410050.

Part: SEAL — UNKNOWN (L/E SLAT) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING SLAT SEALS AT LOCATIONS 1-2, 2-2. REPAIRED IAW HORIZON AIR TASK CARD IS67057410050.

Part: ATTACH BRACKET — CORRODED (LT MLG) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT MAIN LANDING GEAR SHOCK STRUT ASSY ACTUATOR ATTACH BRACKET OUTBOARD MOUNT HAS CORROSION. REPAIRED IAW REO670-32-11-213.

Part: ACCESS PANEL — DAMAGED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FORWARD FUSELAGE LEFT ACCESS PANEL 131AL HAS AN ELECTRICAL BURN MARK ON FORWARD EDGE OF PANEL. REPAIRED IAW SRM 5REO 670-53-11-173, 51-25-01.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FORWARD FUSELAGE LEFT SKIN HAS 3 ELECTRICAL BURN MARKS LOCATED AT FS 203 STRINGER 20, FS 212.5 STRINGER 20 AND FS 220 BETWEEN STRINGER 20 AND 21. REPAIRED IAW SRM 5REO 670-53-11-173, 51-25-01.

Part: BEAM — DAMAGED (LT NACELLE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT NACELLE UPPER LATCH BEAM, NEW DAMAGE FOUND AT PREVIOUS BLENDOUT LOCATION, NICKS. REPAIRED IAW REO670-54-21-697.

Part: STRAP — CORRODED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING RE-INFORCING STRAP AT INBOARD FLAP HINGE ARM IS SHOWING CORROSION EMANATING FROM FASTENERS. REPAIRED IAW SRM 51-21-06, 51-25-16.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FUSELAGE INTERIOR CROSS BEAM CORRODED ON TOP SURFACE, FS 280 LBL6 TO RBL 6 AND RBL 14 TO RBL 42. REPAIRED IAW REO670-53-11-045 AND SRM 51-42-06, 51-40-11.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - COCKPIT FLOOR BOARD SUPPORT ANGLE AT FS 280, LBL 11 TO RBL 11 IS CORRODED. REPAIRED IAW SRM 51-42-06 AND 51-42-21.

Part: RIVET — LOOSE (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - THERE ARE TWO SMOKING RIVETS ON THE LEFT WING TOP SKIN AT STATION 165 JUST INBOARD OF THE SPOILER. REPAIRED IAW SRM 51-42-06.

Part: SKIN — SCRATCHED (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING LOWER SKIN HAS A SMALL SCRATCH JUST FORWARD OF THE OUTBOARD END OF THE OUTBOARD FLAP. REPAIRED IAW SRM 51-12-00.

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FS 280 BULKHEAD LOWER WEB IS CORRODED BEHIND THE CROSSBEAM AT RBL18, 33, AND 39. REPAIRED IAW REO 670-53-11-052.

Part: ANGLE — CRACKED (PAX DOOR) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - PASSENGER DOOR AFT HANDRAIL STOWAGE BRACKET ANGLE CRACKED. REPAIRED IAW REO 670-52-11-104.

Part: STRAP — CORRODED (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING RE-INFORCED STRAP AT INBOARD FLAP INBOARD HINGE ARM HAS CORROSION EMANATING FROM FASTENERS. REPAIRED IAW SRM 51-25-16, 51-21-06.

Part: STRUCTURE — DAMAGED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING LOWER MAIN LANDING GEAR CUTOUT AFT EDGE REBATE DAMAGED. REPAIRED IAW SRM 51-42-06.

Part: STRUCTURE — DAMAGED (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING LOWER MAIN LANDING GEAR CUTOUT AFT EDGE REBATE DAMAGED. REPAIRED IAW SRM 51-42-06.

Part: SKIN PANEL — WORN (RT AILERON) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT AILERON LOWER OUTBOARD LEADING EDGE PANEL IS WORN FROM CONTACT WITH PANEL 698BB FROM WS 332 TO 347. REPAIRED IAW SRM 57-61-01, 51-25-01.

Part: SKIN PANEL — GOUGED (RT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT WING WS 128 LEADING EDGE SKIN PANEL HAS A GOUGE AT LEADING EDGE NEXT TO EDGE OF SKIN. REPAIRED IAW SRM 57-40-01, 51-25-01.

Part: RIVET — MISSING (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FORWARD LEFT FS 321, PASSENGER DOOR LOWER SILL IS MISSING ONE RIVET. REPAIRED IAW SRM 51-42-06.

Part: SKIN PANEL — WORN (RT AILERON) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - RIGHT AILERON LEADING EDGE UPPER IS WORN FROM RUBBING ON THE WING TRAILING EDGE SEAL. REPAIRED IAW SRM 57-41-02, 57-61-01.

Part: SILL — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - AFT BAGGAGE DOOR SURROUND, SILL HAS CORROSION ON TOP SURFACE. REPAIRED IAW SRM 51-42-06, 51-21-06, 51-25-16.

Part: SKIN — GOUGED (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING LEADING EDGE, WS 108, LEADING EDGE SKIN PANEL HAS A GOUGE AT EDGE OF CUTOUT FOR NR 1-2 SLAT TRACK. REPAIRED IAW SRM 57-41-01, 51-25-01.

Part: SKIN — GOUGED (LT WING) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LEFT WING LEADING EDGE, WS 180, LEADING EDGE SKIN HAS GOUGES ON UPPER LEADING EDGE SURFACE. REPAIRED IAW SRM 51-12-00, 51-25-06, AND 51-25-16.

Part: MOUNT — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - THE INTERNAL MOUNTS FOR THE LOWER TCAS ANTENNA AT FS 316 AND STRINGER 27 IS CORRODED. REPAIRED IAW SRM 51-24-21, 51-40-11, 51-25-06, AND 51-23-00.

Part: STRIKER — DAMAGED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FORWARD FUSELAGE STATION 310 AND 349 DOOR SEAL STRIKERS ARE DAMAGED FROM PAX DOOR STOP FITTINGS ON FORWARD AND AFT SIDE OF DOOR FRAME. REPAIRED IAW REO670-53-22-001.

Part: SKIN — GOUGED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - FUSELAGE EXTERIOR LOWER SKIN IS GOUGED FROM THE FAIRING STRAP ASSY LOCATED AT FS 975 AND FS 981. REPAIRED IAW REO670-53-00-014.

Part: SKIN — CORRODED (FUSELAGE) · airframe 12,892 hrs · 9,490 cycles

C3 YYC - LOWER SKIN AT FS 316 AND STRINGER 27 HAS LIGHT CORROSION ON THE LOWER TCAS ANTENNA FOOTPRINT. REPAIRED IAW SRM 51-21-11, 51-21-06.

Part: STARTER — FAILED (NR 2 ENGINE) · airframe 12,758 hrs · 9,396 cycles

DEN - FLIGHT 4191, NR 2 ENGINE FAILED TO START. RETURNED TO THE GATE. MAINTENANCE REPLACED THE STARTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COMPUTER — FAILED (FUEL SYSTEM) · airframe 12,549 hrs · 9,249 cycles

YYC- FLIGHT 4345, DURING CLIMB-OUT, RECEIVED A FUEL CHANNEL 1/2 FAIL CAUTION MESSAGE. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE FUEL QUANTITY GAUGING COMPUTER (FQGC). OPERATIONAL CHECKS GOOD IAW AMM 28-41-22-710-801-A01. AIRCRAFT RETURNED TO SERVICE.

Part: BPSU — MALFUNCTIONED (FLAP SLATS) · airframe 12,058 hrs · 8,890 cycles

DEN - ON FLIGHT 4272 (DEN-BOI), AFTER TAKEOFF AND DURING CLIMB, THE SLATS WOULD NOT RETRACT (AT 9000 FEET) AND A SLAT FAIL CAUTION MESSAGE WAS RECEIVED. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE BPSU. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE.

Part: STATUS MESSAGE — ILLUMINATED (SLATS) · airframe 12,052 hrs · 8,886 cycles

DEN - FLIGHT 4181, RETURNED TO GATE. SLATS HALFSPEED MESSAGE. MAINTENANCE CLEARED STATUS MESSAGE IAW SL-27-052. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LATCH — LACK OF LUBE (PAX DOOR) · airframe 11,922 hrs · 8,797 cycles

DEN - MAIN CABIN DOOR DIFFICULT TO LATCH CLOSED AND OPEN. MAINTENANCE INSPECTED THE DOOR MECHANISM, NO DEFECTS NOTED. APPLIED GREASE TO THE LATCH CAMS AS REQUIRED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CONTROL VALVE — INOPERATIVE (RT A/C PACK) · airframe 11,564 hrs · 8,553 cycles

BOI - ON FLIGHT 4276, RETURNED TO GATE, RIGHT PACK CAUTION MESSAGE AFTER ENGINE START CYCLED PACK SWITCH MESSAGE RETURNED. MAINTENANCE INTERROGATED MDC FOUND RIGHT FLOW CONTROL VALVE INTERMITTENT ON TAXI. REMOVED AND REPLACED RIGHT FLOW CONTROL VALVE. AIR CONDITIONING SYSTEM OPERATIONAL TEST GOOD. DURING LEAK TEST OF AIR CONDITIONING DISTRIBUTION SYSTEM FOUND RIGHT HAND BACKS PRE-COOLER CRACKED AND LEAKING. REMOVED AND REPLACED PRE-COOLER. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ROLLER — LACK OF LUBE (PAX DOOR) · airframe 11,547 hrs · 8,542 cycles

DEN - ON FLIGHT 4172, FLIGHT ATTENDANTS ARE HAVING A HARD TIME OPENING THE MAIN CABIN DOOR. MAINTENANCE LUBED PASSENGER DOOR ROLLERS. OPERATED DOORS NUMEROUS TIMES. DOOR OPERATES NORMALLY. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ODOR — DETECTED (CABIN) · airframe 11,510 hrs · 8,515 cycles

DEN - FLIGHT 4202 - VERY STRONG BAD ODOR FROM BLEED SYSTEM. FOUND LOW PRESS GROUND CONNECTION DUCT TO MIXING MANIFOLD TORN, FOUND BOTH RECIRC FAN FILTERS VERY DIRTY, FOUND MIXING MANIFOLD BROKEN INTERNALLY, INSPECTED BOTH WATER SPRAYERS AND FEED LINES FOR OBSTRUCTION AND CONTAMINATION, BOTH CHECK OK. RE-ASSEMBLED WATER SPRAYER LINES, REPLACED BOTH THE MIXING MANIFOLD AND LOW PRESS DUCT IAW AMTOSS 21-22-06-000-801-A01/-400-801-A01. REPLACED BOTH RECIRC FAN FILTERS IAW AMTOSS 21-22-12-000-801-A01/-400-801-A01. LEAK CHECK OK, RAN BOTH PACKS IN HOT AND COLD MODES, AIR FROM BOTH ACM'S PUT OUT FRESH CLEAN AIR, NO ODORS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 10,721 hrs · 8,013 cycles

GEG - ON TAXI FOR FLIGHT 4307, RECEIVED A RIGHT PACK CAUTION MESSAGE. RETURNED TO THE GATE. PLACED ON MEL 21-51-1(B) PLACARD 354278. RETURNED TO SERVICE. ON 2/11 PERFORMED OPERATIONAL TEST OF RT AIR CONDITIONING PACK. CHECKED NORMAL. NO MESSAGE OR DEFECTS NOTED. MEL CLEARED AND AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: FADAC — MALFUNCTIONED (COCKPIT) · airframe 10,937 hrs · 8,149 cycles

DEN - ON TAXI FOR FLIGHT 4298, L/R FADEC FAULT STATUS MESSAGE. RETURNED TO THE GATE. LEFT AND RIGHT FADEC FAULT 2 STATUS MSGS CLEARED WHEN ENGINES SHUTDOWN. PERFORMED SELF TESTS OF LEFT AND RIGHT FADEC'S IN MDC, SELF TEST GOOD. HISTORY SHOWS LEFT AND RIGHT AIR START SOV FAIL TO OPEN. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: COMPUTER — MALFUNCTIONED (FUEL QTY) · airframe 10,677 hrs · 7,983 cycles

ON FLIGHT 4219, FUEL CHANNEL 1/2 FAIL CAUTION MESSAGE. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. REPLACED FUEL QUANTITY GAGING COMPUTER. FOUND WATER LEAKING FROM ICE BUCKET IN GALLEY THROUGH THE FLOOR ON TO THE FQGC. OPERATIONAL CHECKS GOOD. RETURNED TO SERVICE.

Part: DOOR — UNKNOWN (MAIN PAX) · airframe 10,560 hrs · 7,910 cycles

TUS - ON FLIGHT 4172 UNABLE TO OPEN MAIN CABIN DOOR. MAINTENANCE OPENED DOOR UPON ARRIVAL FROM INSIDE AND OUTSIDE, DOOR CHECKS NORMAL. COMPLIED WITH CRJ700 AMM TASK 52-11-00-710-802-A02. WHILE COMPLYING WITH TASK 52-11-00-710-801-A01, AFT PSG DOOR OUT HANDLE DISPLAYED ON STEP 20A. PLACED ON MEL 52-70-1. RETURNED TO SERVICE. ON 12/24 PERFORMED OPERATIONAL TEST OF PASSENGER DOOR IAW CRJ 700 AMM TASK 52-11-00-710-801-A02. OPERATIONALLY TESTS SATISFACTORY. ALL DOOR INDICATIONS NORMAL. THIS ACTION CLEARS MEL 52-70-1 AND RSI 347355. PLACARDS REMOVED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ENGINE — UNKNOWN (NR 1) · airframe 10,439 hrs · 7,827 cycles

OKC - ON PUSHBACK FOR FLIGHT 4188 DURING ENGINE START, THE NR 1 AUTO SHUTDOWN DURING START. RETURNED TO THE GATE. MAINTENANCE FOUND THE LEFT FADEC START ABORT MESSAGE IN MEMORY DUE TO SLOW N2 RESPONSE. MAINTENANCE SUSPECTED ICING. PERFORMED GROUND RUN OF ENGINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: O-RING — LEAKING (FUEL SYSTEM) · airframe 10,073 hrs · 7,585 cycles

DEN - MAINTENANCE FOUND POSSIBLE FUEL LEAK AT BOTTOM OF AIRCRAFT FUSELAGE. REPLACED 2 O-RINGS AT THE REFUEL/DEFUEL HOUSING ADAPTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: VENT — UNLATCHED (CARGO DOOR) · airframe 9,554 hrs · 7,243 cycles

OKC - ON FLIGHT 4184 ,THE PROX SYSTEM 2 FAULT ILLUMINATED FOR THE FORWARD CARGO DOOR. AIRCRAFT RETURNED TO THE FIELD AND ACCOMPLISHED AN UNEVENTFUL LANDING. MAINTENANCE FOUND THE FORWARD CARGO DOOR VENT NOT PROPERLY LATCHED. LATCHED, AND PERFORMED INSPECTION OF AREA, NO DEFECTS NOTED. PERFORMED OPERATIONAL CHECK OFF DOOR, CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: APU — ODOR (ZONE 100) · airframe 9,075 hrs · 6,902 cycles

STRONG ODOR IN AIRCRAFT. MOST NOTICEABLE ON GROUND. RAN BOTH ENGINES WITH APU AIR OFF AND BOTH PACKS OPERATING. ODOR SEEMED TO DISSIPATE. STARTED APU AND RAN BOTH PACKS WITH APU AIR. ODOR SEEMED TO REAPPEAR. APU PLACED ON MEL.

Part: LIGHT — INTERMITTENT (CABIN) · airframe 7,561 hrs · 5,774 cycles

PDX - EMERGENCY FLOOR PATH LIGHTS STRIP SECOND STRIP AFT OF FORWARD STRIP HAS INTERMITTENT RED LIGHTS. REPAIRED IAW W/C 200ME3320667.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT INBOARD SEAT TRACK HAS CORROSION AT THE FOLLOWING LOCATIONS, FS 667, FS 599, FS 536, FS 507 AND FS 479. REPAIRED IAW HORIZON AIR EA R-53-233 AND REO 670-53-00-054.

Part: STEP — CRACKED (ZONE 800) · airframe 7,561 hrs · 5,774 cycles

PDX - MAIN CABIN DOOR STEP NR 6 FORWARD STEPWALL CRACKED AT BOTTOM UNDER WHERE FOLDING HANDRAIL BRACKET. REPAIRED IAW HORIZON AIR EA R-52-198 AND REO 670-52-11-079, NOTE 4.

Part: STEP — CRACKED (ZONE 800) · airframe 7,561 hrs · 5,774 cycles

PDX - MAIN CABIN DOOR STEP NR 6 AFT SIDE WALL HAS TWO EACH CRACKS AT AFT HANDRAIL. REPAIRED IAW HORIZON AIR EA R-52-198 AND REO 670-52-11-079.

Part: SEAL — TORN (ZONE 400) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND AFT CORE-COWL P-SEAL IS TORN AT OUTBOARD SIDE. REPAIRED IAW SRM 51-42-06-001-001-401, PAGE 1-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND INBOARD SEAT TRACK HAS GOUGE AND CORROSION AT THE FOLLOWING LOCATIONS: FS 697, FS 729, FS 797, FS 830, FS 596 AND FS 893. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — EXPOSED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS BARE METAL EXPOSED AT FS 916.00. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION STATION X562-X566, X554-X542 WITH GOUGES AT STATION X629, X614 AND X553-X554. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND INBOARD SEAT TRACK HAS CORROSION AT THE FOLLOWING LOCATIONS, FS 383, FS 420, FS 448. REPAIRED IAW CRJ 700 SRM 51-21-16. AND HORIZON AIR EA R-53-233.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS CORROSION AT FS 727. REPAIRED IAW CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT CORROSION AT STATION X428, X444-X446. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — EXPOSED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS BARE METAL EXPOSED AT FS 855.00. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION AT STATION X691, X713-X719. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL AND LUG HOLE AREAS AT FS 580-587, FS 629 AND FS 645-661. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL, TOP SURFACE AND LUG HOLE AREAS AT FS 752-761, FS 785-797, FS 803-828. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL AND LUG HOLE AREAS AT FS 884-890 AND FS 936-953. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL, TOP SURFACE AND LUG HOLE AREAS AT FS 702-708, FS 709-724 AND FS 736-452. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL AND LUG HOLE AREA AT FS 453-475, FS 487-505 AND FS 506-517. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT CORROSION AT STATION X459-X475, X481-X492, X504-X506, X520-X522, X534-X536. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND INBOARD SEAT TRACK HAS CORROSION AT THE FOLLOWING LOCATIONS, FS 505, FS 537, FS 549, FS 569, FS 600 AND FS 663. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION AT STATION X650-X652, X658-X661 AND X676-X677. REPAIRED IAW HORIZON AIR EA R-53-239 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS LIGHT CORROSION AT STATION X409-X415 AND X399. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT INBOARD SEAT TRACK HAS CORROSION AT THE FOLLOWING LOCATIONS, FS 714 AND FS 702. REPAIRED IAW CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,561 hrs · 5,774 cycles

LT OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL AT FS 364-379, FS 423-430 AND FS 445. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION INSIDE CHANNEL AND LUG HOLE AREAS AT FS 517-541, FS 543-565 AND FS 566. REPAIRED IAW HORIZON AIR EA R-53-233 AND CRJ700 SRM 51-21-16.

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - LEFT HAND LOWER BULKHEAD AT FS 280 FLOOR LEVEL HAS CORROSION AT SEVERAL AREAS ALONG 26 INCH AREA STARTING AT LEFT HAND SIDE OF COCKPIT DOORWAY. REPAIRED IAW CRJ SRM 51-42-06 AND REO 670-53-11-052.

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 7,561 hrs · 5,774 cycles

PDX - RIGHT HAND LOWER BULKHEAD AT FS 280 FLOOR LEVEL HAS CORROSION AT FIVE LOCATIONS ALONG 27 INCH AREA STARTING AT RIGHT HAND SIDE OF COCKPIT DOORWAY. REPAIRED IAW CRJ SRM 51-42-06 AND REO 670-53-11-052.

Part: SOCKET — BURNED (SERV DOOR LIGHT) · airframe 7,284 hrs · 5,566 cycles

ON FLIGHT NR 4308 NOTICED AN UNUSUAL SMELL IN THE COCKPIT AND CABIN AREAS. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE SOURCE OF THE SMELL TO BE THE FLUORESCENT TUBE SOCKET IN THE GALLEY SERVICE DOOR LIGHT. SOCKET ASSEMBLY WAS BURNED. DISCONNECTED POWER FROM THE SOCKET ASSEMBLY AND PLACED ON MEL 33-23-2 #343889. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — STUCK (ZONE 800) · airframe 7,120 hrs · 5,442 cycles

DEN - THE FLIGHT ATTENDANT REPORTS THE MAIN CABIN DOOR STICKS WHEN TRYING TO OPEN. MAINTENANCE INSPECTED THE DOOR AND LUBRICATED THE DOOR LATCH PINS AND LATCH CAMS. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — STUCK (ZONE 800) · airframe 7,067 hrs · 5,401 cycles

THE MAIN CABIN DOOR IS DIFFICULT TO OPEN AND CLOSE. MAINTENANCE INSPECTED THE AIRCRAFT AND LUBRICATED THE LATCH PINS AND PERFORMED OPERATIONAL CHECKS. THE OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — STIFF (ZONE 800) · airframe 7,035 hrs · 5,377 cycles

DEN - FLIGHT 4436 - THE FLIGHT ATTENDANT REPORTS THE MAIN CABIN DOOR IS HARD TO OPEN AND CLOSE. MAINTENANCE INSPECTED THE MAIN CABIN DOOR AND LUBRICATED THE DOOR LATCH PINS AND LATCH CAMS. THE OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — LACK OF LUBE (MAIN PAX) · airframe 6,990 hrs · 5,345 cycles

DEN - FLIGHT 4436 - THE FLIGHT ATTENDANT REPORTS THAT THE MAIN CABIN DOOR IS DIFFICULT TO PUSH OPEN AFTER IT HAS BEEN UNLATCHED. MAINTENANCE INSPECTED THE DOOR AND CLEANED AND LUBRICATED THE DOOR BOLTS AND HINGE POINTS. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (PAX DOOR) · airframe 6,150 hrs · 4,757 cycles

DEN - FLIGHT 4011 - MAIN CABIN DOOR IS HARD TO OPEN AND CLOSE. MAINTENANCE INSPECTED THE DOOR AND PERFORMED OPERATIONAL CHECKS. NO DISCREPANCIES WERE NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: O-RING — MISSING (ZONE 100) · airframe 6,005 hrs · 4,657 cycles

A LEAK WAS NOTED COMING FROM THE CENTER FUEL TANK DURING THE POST FLIGHT WALK AROUND. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE O-RING MISSING ON THE FUEL MANIFOLD TUBE FITTING. A NEW O-RING WAS INSTALLED, OPERATIONAL AND LEAK CHECKS WERE PERFORMED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FAN BLADE — LACK OF LUBE (NR 1 ENGINE) · airframe 5,792 hrs · 4,511 cycles

DEN FLIGHT 4182 RETURN TO FIELD, NR 1 ENGINE VIBRATION. MAINTENANCE REPLACED FAN BLADES SERIAL NUMBERS IHI7274N, IHI7276N, IHI7280N, IHI7281N, IHI7289N, IHI7291N, IHI7297N, IHI7298N, IHI7302N, IHI7303N. OPERAITONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CARTRIDGE — FAILED (FUEL PUMP) · airframe 5,334 hrs · 4,205 cycles

CREW RETURNED TO GATE. RECEIVED A CROSS FLOW PUMP CAUTION MESSAGE WITH ASSOCIATED CROSS FLOW PUMP FAIL INDICATIONS ON THE OVERHEAD PANEL. MAINTENANCE INSPECTED THE SYSTEM AND REPLACED THE CROSS FLOW PUMP. THE OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (BLEED AIR SYS) · airframe 5,125 hrs · 4,053 cycles

PDX- ON FLIGHT 2520 RIGHT PACK CAUTION MESSAGE DURING DESCENT. SHUT OFF PACK PER ABNORMAL CHECKLIST AND CAUTION MESSAGE WENT AWAY. REMOVED AND REPLACED RIGHT BLEED TEMP SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — LIGHTNING STRIKE (ZONE 200) · airframe 5,049 hrs · 3,996 cycles

LIGHTING STRIKE BURN MARK AT FUSELAGE STATION 173.00 ON THE MATING SURFACE FOR PANEL 211AL. REPAIRED IAW CRJ SRM 53-00-01.

Part: SKIN — LIGHTNING STRIKE (FUSELAGE) · airframe 5,049 hrs · 3,996 cycles

PDX- LIGHTING DAMAGE ON RIVET AT FUSELAGE STATION 1093.20, RIGHT SIDE FIVE INCHES ABOVE SKIN LAP JOINT. REPAIRED IAW CRJ SRM 51-42-06.

Part: SKIN — LIGHTNING STRIKE (FUSELAGE) · airframe 5,049 hrs · 3,996 cycles

PDX- LIGHTING STRIKE BURN MARK AT FUSELAGE STATION 169.00 ON THE MATING SURFACE FOR THE RADOME. REPAIRED IAW CRJ SRM 53-00-01 AND 51-20-06.

Part: DUCT — CRACKED (A/C BAY) · airframe 4,913 hrs · 3,897 cycles

PDX-RIGHT HAND AIR CYCLE MACHINE EXHAUST DUCT LOUVER CRACKED. REPAIRED IAW CRJ SRM 51-42-06 AND SRM 51-42-21.

Part: YOKE — GOUGED (NR 1 ENGINE) · airframe 4,913 hrs · 3,897 cycles

PDX- NR 1 ENGINE MOUNT YOKE LOWER LOBE GOUGED ON TOP SIDE FORWARD EDGE ABOVE LOWER BEARING. REPAIRED IAW CRJ 700 NDTM 51-20-06.

Part: CHIMNEY — DAMAGED (ZONE 200) · airframe 4,804 hrs · 3,816 cycles

PDX- CHIMNEY AT FORWARD BAGGAGE DOOR ENTRANCE AREA IS DAMAGED. REMOVED AND REPLACED CHIMNEY.

Part: VALVE — MALFUNCTIONED (ZONE 400) · airframe 4,732 hrs · 3,763 cycles

ON FLIGHT 2467 AFTER SETTING TAKEOFF THRUST AND AT 65 KIAS, RECEIVED LT THRUST REVERSER UNSAFE CAUTION LIGHT. ABORTED TAKE OFF. REMOVED AND REPLACED LEFT HAND ICV. OPERATIONAL CHECKS GOOD AND AIRCRAFT WAS RETURN TO SERVICE.

Part: STRUCTURE — CRACKED (EMPANNAGE) · airframe 3,750 hrs · 3,018 cycles

CKB - RIGHT LUNCHBOX CRACKED AT NR 10 FITTING AT FS 1070 1088. REPAIRED IAW QX SUPP AND SRM 51-40-00, 51-40-15.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 3,750 hrs · 3,018 cycles

CKB - LEFT PRESSURE BULKHEAD WEB BL 34-41 STRINGER 8-9 CRACKED. REPAIRED IAW CRJ 700 AMM TASK 21-21-00-710-801 AND REO 670-53-61-034.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 3,750 hrs · 3,018 cycles

CKB - RIGHT HAND PRESSURE BULKHEAD WEB BBL34-41 STRINGER 8-9 CRACKED. REPAIRED IAW CRJ 700 AMM 21-31-00-910-801-401 AND REO 670-53-61-034.

Part: RIB — CRACKED (LT MLG DOOR) · airframe 3,750 hrs · 3,018 cycles

CKB - LEFT MAIN GEAR DOOR LOWER DOOR ASSEMBLY HAS A CRACK IN MOST INBOARD RIB. REPAIRED IAW CRJ 700 AMM 32-12-01-400-801.

Part: RIB — CRACKED (RT MLG DOOR) · airframe 3,750 hrs · 3,018 cycles

CKB - RIGHT MAIN GEAR DOOR LOWER DOOR ASSEMBLY RIB IS CRACKED. REPAIRED IAW MFG EO R-31-04.

Part: FRAME — DAMAGED (FUSELAGE) · airframe 3,750 hrs · 3,018 cycles

CKB - RIGHT 1108 FRAME RIVET HOLE ELONGATED BELOW STRINGER 9 AND STRINGER 8. REPAIRED IAW MFG EA R-53-108.

Part: SKIN — GOUGED (RT WING) · airframe 3,750 hrs · 3,018 cycles

CKB - RIGHT WING LEADING EDGE HAS A GOUGE ON THE TOP SIDE AT WS 163. REPAIRED IAW QX4 SUPPLEMENT 51-12-00.

Part: SKIN — GOUGED (LT WING) · airframe 3,750 hrs · 3,018 cycles

CKB - LEFT WING, LOWER WING SKIN AT WS 128.00 HAS A GOUGE. REPAIRED IAW AMM 51-25-01.

Part: APU — MALFUNCTIONED (ZONE 200) · airframe 3,483 hrs · 2,832 cycles

BOI ON FLIGHT 2544- SMOKE AFT LAVATORY MESSAGE ILLUMINATED FOR LESS THAN ONE MINUTE AND WENT OFF. CHECKED WITH FLIGHT ATTENDENT, AURAL WARNING, NO SMOKE WAS DETECTED. REMOVED AND REPLACED APU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: MOUNT — DAMAGED (ZONE 400) · airframe 3,418 hrs · 2,789 cycles

PDX- NR 1 ENGINE MAIN ENGINE MOUNT ON ENGINE HAS AREA OF DAMAGE ON THE TOP SIDE OF THE MAIN ENGINE MOUNT THAT WILL NOT ALLOW THRUST FITTING BEARING TO ENGAGE MOUNT. REPAIRED IAW CRJ SRM 71-20-01 AND 70-42-00. OPERATIOANL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — ACTIVATED (LAV SMOKE) · airframe 3,418 hrs · 2,789 cycles

BOI - FLIGHT 2528 - AIRCREW RETURNED TO FIELD WHEN AFTER TAKEOFF THE AFT LAVATORY SMOKE DETECTOR SOUNDED. AIRCRAFT CURRENTLY DOWN FOR TROUBLESHOOTING AND MAINTENANCE.

Part: FAN — PLUGGED (ZONE 200) · airframe 3,322 hrs · 2,720 cycles

FAT - FLT 2530-SUPP, RETURNED TO FIELD. AFT LAV SMOKE DETECTOR LIGHT. NO EMERGENCY DECLARED. NO CURRENT STATUS MESSAGE. INTERROGATED MDC SERVICE MESSAGE HISTORY. FOUND LAVATORY EXTERNAL FAN LOW SPEED MESSAGE. FOUND EXHAUST FAN INLET GRILL PARTLY PLUGGED WITH LINT, CLEANED, NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — INOPERATIVE (ZONE 200) · airframe 3,322 hrs · 2,720 cycles

SEA ON FLIGHT 2485- MASTER WARNING SMOKE AFT LAVATORY COMES ON INTERMITTENTLY. REMOVED AND REPLACED AFT LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE — DETECTED (ZONE 200) · airframe 3,233 hrs · 2,652 cycles

BIL-ON FLIGHT NUMBER 2483-SUPP, DURING TAXI OUT, SMOKE AFT LAV WARNING LIGHT CAME ON. SMOKE COULD BE SEEN AND SMELLED IN CABIN. PERFORMED GROUND RUN, NO ODOR NOTED. LAVATORY DETECTOR DID NOT GO OFF. OPERATED RT PACK, NO CAUTION MESSAGE NOTED. COMPLIED WITH OPERATIONAL CHECK OF AIR CONDITION SYSTEM, OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: FIRE LOOP — MALFUNCTIONED (ZONE 200) · airframe 3,202 hrs · 2,603 cycles

PDX ON FLIGHT 2528-SUPP- FIRE SYSTEM FAULT STATUS MESSAGE COMES ON INTERMITTENTLY. REMOVED AND REPLACED RIGHT HAND ENGINE FIRE SENSOR W17 LOOP-A. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.

Part: SENSOR — ODOR (ZONE 200) · airframe 2,654 hrs · 2,043 cycles

PDX ON FLIGHT 2494-SUPP-OILY ODOR IN CABIN. COMPLIED WITH VISUAL INSPECTION OF RIGHT HAND ACM AND DUCTING. REMOVED RT PACK DISCHARGE SENSOR AND SAMPLED WITH PACK ON. NO ODOR. REINSTALLED SENSOR. APU BLEED AIR DUCT CLEAN. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (ZONE 200) · airframe 3,127 hrs · 2,575 cycles

PDX-ON FLIGHT NUMBER 2534, AFTER TAKEOFF, SMOKE AFT LAVATORY WARNING MESSAGE ILLUMINATED WITH NO ASSOCIATED AURAL. WARNING EXTINGUISHED AFTER 15 SECONDS. NO EVIDENCE OF SMOKE/FUMES IN LAVATORY. INSPECTED MDC, NO MESSAGE AND NO HISTORY FOUND. PERFORMED FAULT ISOLATION TASK 26-16-00-810-802. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONNECTOR — DIRTY (ZONE 100) · airframe 3,111 hrs · 2,564 cycles

PDX- FIRE SYSTEM FAULT STATUS MESSAGE. CLEANED AND INSPECTED AFT COWL FIRE LOOP CONNECTORS. OHMED OUT SAME LOOPS WITH NO DEFECTS NOTED. FIRE SYSTEM TEST COMPLIED WITH. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAILED (ZONE 200) · airframe 3,103 hrs · 2,559 cycles

TUS ON FLIGHT 2534- MASTER WARNING SMOKE AFT LAVATORY MESSAGE. FLIGHT ATTENDANT ADVISED NO SMOKE PRESENT. REMOVED AND REPLACED LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — MALFUNCTIONED (ZONE 100) · airframe 3,097 hrs · 2,555 cycles

SEA-ON FLIGHT NUMBER 2485, R FIRE FAILURE MASTER WARNING. REMOVED AND REPLACED FIRE DETECTION EXTENSION CONTROL UNIT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 3,083 hrs · 2,544 cycles

SMF-ON FLIGHT NUMBER 2496, RIGHT FIRE FAIL CAUTION MESSAGE. COMPLIED WITH SYSTEM TEST AND RIGHT FIRE FAIL CAUTION EXTINGUISHED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CAGE — DAMAGED (CARGO BAY) · airframe 3,056 hrs · 2,525 cycles

BOI- CENTER CHIMNEY IN FORWARD CARGO PIT DAMAGED. REMOVED AND REPLACED CENTER CHIMNEY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FIRE DETECTOR — FAULTY (NR 2 ENGINE) · airframe 3,051 hrs · 2,522 cycles

BOI ON FLIGHT 2550- INTERMITTENT FIRE SYSTEM FAULT STATUS MESSAGE. REMOVED AND REPLACED NR 2 ENGINE UPPER, LOWER AND SIDE FIRE DETECTOR RAIL. FIRE DETECTOR SYSTEM CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — FAILED (FIRE DETECTION) · airframe 3,051 hrs · 2,522 cycles

PDX ON FLIGHT 2472- FIRE SYSTEM FAULT STATUS MESSAGE INTERMITTENTLY APPEARS. REMOVED AND REPLACED FIDEX CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FIRE WARNING — MALFUNCTIONED (COCKPIT) · airframe 3,008 hrs · 2,490 cycles

SUP LAX ON FLIGHT 2550- FIRE SYSTEM FAULT STATUS MESSAGE. PERFORMED FIRE DETECTION SYSTEM TEST PER CRJ AMM 26-10-00 PAGE 501-504. NO FAULTS NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SENSOR — DEFECTIVE (FUEL SYSTEM) · airframe 2,995 hrs · 2,482 cycles

PDX-RIGHT PRIMARY EJECTOR PRESSURE SENSOR SWEATING. REMOVED AND REPLACED PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TURBINE BLADES — DAMAGED (NR 1 ENGINE) · airframe 2,995 hrs · 2,482 cycles

PDX - NR 1 ENGINE FAILED SCHEDULED BORESCOPE INSPECTION. FOUND ONE HPT 1 BLADE 2/3 MISSING AND TWO BLADES CRACKED. REPLACED ENGINE. OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVESTIGATION AT GE. INVESTIGATION BY THE ENGINE MANUFACTURER (GE) HAS BEEN COMPLETED. IT HAS BEEN CONCLUDED THAT MODIFICATION OF THE HPT1 DAMPNER (ALONG WITH RE-WORK OF THE ACCLERATOR) IS THE CORRECTIVE ACTION FOR THE REMOVED ENGINE. A PLAN HAS BEE DEVISED TO INCORPORATE THIS MOD IN THE NEXT FEW QUARTERS.

Part: ODOR — DETECTED (COCKPIT) · airframe 2,970 hrs · 2,457 cycles

BOI ON FLIGHT 2447- VERY NOTICEABLE MUSTY FOUL ODOR THROUGHOUT CABIN AND COCKPIT. DISSIPATES IN ABOUT FIVE MINUTES AFTER APU SHUTDOWN. RETURNS WITH APU START UP. ALSO NOTED SMELL IN DESCENT FROM 10,000 TO GROUND. OPERATED AIRCRAFT WITH APU AIR WITHOUT ENGINES RUNNING. NO UNUSUAL ODOR NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — LEAKING (FUEL SYSTEM) · airframe 2,448 hrs · 2,944 cycles

LGB-ON FLIGHT NUMBER 2502, FUEL LEAK NOTED FROM CENTER OF TWO INSPECTION PANELS. REMOVED AND REPLACED NR 1 PRIMARY EJECTOR SENSOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,844 hrs · 2,369 cycles

PDX ON FLIGHT 2534- LEFT AND RIGHT FUEL BOOST PUMPS CYCLED CONTINUOUSLY AT FLIGHT LEVELS 350 AND 370. CYCLING STOPPED DURING DESCENT AFTER POWER REDUCTION. REMOVED AND REPLACED BOTH PRIMARY EJECTOR PRESSURE SENSORS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACM — FAILED (A/C BAY) · airframe 2,827 hrs · 2,357 cycles

PDX- STRONG OIL SMELL IN AIRCRAFT WITH PACKS SELECTED ON. REMOVED AND REPLACED NR 1 AIR CYCLE MACHINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,763 hrs · 2,301 cycles

SEA- 'LEFT AND RIGHT FUEL PUMP ON' EICAS MESSAGE. CYCLED ON/OFF FOR 35 MINUTES UNTIL DESCENDING OUT OF FLIGHT LEVEL 390. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LEFT AND RIGHT PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ODOR — DETECTED (CABIN) · airframe 2,733 hrs · 2,279 cycles

BOI- CREW REPORTS AN ODOR IN CABIN. CYCLED RECIRCULATION FAN OFF. OPENED ALL PASSENGER GASPERS AND AIRED OUT CABIN. ODOR DECREASED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,579 hrs · 2,172 cycles

PDX - FUEL BOOST PUMPS WERE CYCLING FOR MORE THAN 20 MINUTES. MAINTENANCE INSPECTED AND REPLACED BOTH PRIMARY EJECTOR PRESSURE SENSORS. OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ODOR — DETECTED (CABIN) · airframe 2,561 hrs · 2,160 cycles

BOI-FOUL ODOR COMING FROM GALLEY AREA AND FORWARD CABIN. SMELL REPORTED AS SMELLY SOCKS OR VOMIT. DEODORIZED BY FLEET SERVICE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SPAR — CHAFED (RT WING) · airframe 2,346 hrs · 1,994 cycles

PDX- CHAFFE DAMAGE ON WING FRONT SPAR STIFFNER RIB NEXT TO RT EJECTOR IN CENTER FUEL TANK. REPAIRED IAW HORIZON AIR EA R-57-16

Part: SPAR — CHAFED (LT WING) · airframe 2,346 hrs · 1,994 cycles

PDX- CHAFE DAMAGE ON WING FRONT SPAR STIFFNER RIB NEXT TO LT EJECTOR IN CENTER FUEL TANK. REPAIRED IAW HORIZON AIR EA R-57-16.

Part: CAGE — DAMAGED (CARGO BAY) · airframe 2,215 hrs · 1,891 cycles

BOI- FORWARD CARGO COMPARTMENT FIRE DETECTOR CHIMNEY DAMAGED. REMOVED AND REPLACED FIRE DETECTOR CHIMNEY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,164 hrs · 1,849 cycles

PDX - THE LEFT AND RIGHT FUEL PUMPS CONTINUOUSLY CYCLE WHILE AT 39K FEET. MAINTENANCE INSPECTED AND REPLACED BOTH PRIMARY FUEL EJECTOR PRESSURE SENSORS. LEAK CHECK AND OPERATIONAL CHECK IS GOOD. AIRCRAFT WAS RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,135 hrs · 1,826 cycles

PDX - THE LEFT AND RIGHT FUEL PUMP ON GREEN ADVISORY MESSAGE AND AUDIBLE INDICATION OF PUMPS CYCLING CONTINUOUSLY WHILE AT 39K FEET. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE LEFT AND RIGHT EJECTOR PRESSURE SENSORS. OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BUSHING — DISLODGED (PAX DOOR) · airframe 1,742 hrs · 1,517 cycles

PDX- MAIN CABIN DOOR WILL NOT UNLOCK. PRESSED BUSHINGS ON FORWARD AND AFT FITTINGS TO CORRECT FLUSHNESS AND REPAIRED IAW CRJ-700 MM 52-11-02-400-807-A01.

Part: BUSHING — NOT SEATED (PAX DOOR) · airframe 1,619 hrs · 1,426 cycles

PDX- MAIN CABIN DOOR VERY HARD TO OPEN, HANDLE BINDS ABOUT MID WAY DURING OPENING. FOUND AFT ROLL LATCH BINDING. REMOVED TORQUE TUBE ASSY, RESEATED BUSHING AND REINSTALLED TORQUE TUBE ASSY. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CAGE — DAMAGED (CARGO BAY) · airframe 1,575 hrs · 1,393 cycles

DEN- PROTECTIVE COVERING OVER SMOKE DETECTOR IN FORWARD CARGO AREA BROKEN OPEN AND TORN. REMOVED AND REPLACED CAGE ASSEMBLY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — LEAKING (FUEL SYSTEM) · airframe 1,538 hrs · 1,362 cycles

GEG - AIRCRAFT LEAKING FUEL ON FORWARD BELLY AREA. MAINTENANCE REPLACED THE LEFT PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL AND LEAK CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 1,509 hrs · 1,334 cycles

PDX- FUEL BOOST PUMPS CYCLING ON AND OFF CONTINUOUSLY AT FLIGHT LEVEL 350. REMOVED AND REPLACED PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 1,419 hrs · 1,269 cycles

SMF- RIGHT HAND MAIN EJECTOR CAUTION MESSAGE CAME ON DURING DESCENT AND STAYED ON UNTIL ENSUING SHUTDOWN. REMOVED AND REPLACED RIGHT HAND PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 1,401 hrs · 1,256 cycles

PDX- EMERGENCY LIGHT BATTERY PACKS DISCHARGED. REMOVED AND REPLACED 1, 2, 3 AND 4 BATTERY PACKS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 1,273 hrs · 1,156 cycles

TUS - COMPLIED WITH EMERGENCY CHECKLIST WHEN FUEL TRANSFERRING PROBLEM OCCURRED. LEFT AND RIGHT BOOST PUMP ADVISORY'S ILLUMINATED AND CENTER TANK JET TRANSFER PUMPS WERE ON. LEFT TANK SHOWED INCREASE AND RIGHT TANK SHOWED NO INCREASE. RECEIVED 800 LBS IMBALANCE WITH ASSOCIATED CAUTION LIGHTS. AIRCRAFT DOWN FOR MAINTENANCE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 1,255 hrs · 1,144 cycles

LAX- DURING CRUISE FUEL IN CENTER TANK INCREASED TO 100 POUNDS. LEFT HAND AND RIGHT HAND BOOST PUMPS COME ON AND CENTER TANK FUEL TRANSFER SYSTEM ACTIVATES UNTIL CENTER TANK QUANTITY INDICATES ZERO. BOOST PUMPS CONTINUED TO CYCLE. REMOVED AND REPLACED RIGHT HAND AND LEFT HAND PRIMARY EJECTOR PRESSURE SENSORS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL VALVE — MALFUNCTIONED (APU) · airframe 1,190 hrs · 1,093 cycles

TUS - AIRCRAFT RETURNED TO FIELD WHEN CREW COULD NOT PRESSURIZE AIRCRAFT. MAINTENANCE FOUND THE LOAD CONTROL VALVE OF THE APU WOULD NOT CLOSE. MAINTENANCE RECONNECTED APU LOAD CONTROL VALVE. STARTED APU AND PACKS WITH NO DISCREPANCIES NOTED ON LOAD CONTROL VALVE. ALSO PERFORMED GROUND RUN ON ENGINES WITH NO DISCREPANCIES NOTED. APU LOAD CONTROL VALVE CLOSED WITH APU SHUTDOWN. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — FAULTY (COCKPIT) · airframe 1,155 hrs · 1,064 cycles

PDX- ON CLIMBOUT HAD 230 POUNDS OF FUEL IN CENTER TANK WITH TRANSFER SYSTEM ACTIVE. FUEL LEVEL IN CENTER TANK DECREASED TO 90 POUNDS. LEFT HAND WING FUEL QUANTITY APPEARED TO INCREASE. BOOST PUMPS CYCLED ON AT FLIGHT LEVEL 410 AND REMAINED ON FOR SEVERAL MINUTES. THRUST LEVER POSITION (ADVANCING) HAD NO AFFECT. RIGHT HAND PRIMARY EJECTOR LIGHT FLASHED AMBER ONE TIME. MAINTENANCE REMOVED AND REPLACED RIGHT HAND BOOST PUMP SWITCH. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 1,163 hrs · 1,070 cycles

PDX- BOOST PUMPS CYCLED CONTINUOUSLY. CENTER TANK EJECTOR PUMPS REMAINED ON CONTINUOUSLY WITH A STEADY 100-110 POUND QUANTITY IN CENTER TANK. REMOVED AND REPLACED LEFT HAND AND RIGHT HAND PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — FAILED (FUEL SYSTEM) · airframe 407 hrs · 409 cycles

PDX - CREW RECEIVED A RIGHT FUEL LOW PRESSURE CAUTION MESSAGE ON TAXI-IN. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE ENGINE FUEL FEED SWITCH. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SEAL — DENTED (PAX DOOR) · airframe 299 hrs · 296 cycles

PDX - MAIN CABIN DOOR MATING FACE IS DENTED MIDWAY ALONG THE AFT LENGTH OF DOOR APERATURE. REPAIRED IAW EA R-53-02

Part: SEAL — DENTED (PAX DOOR) · airframe 299 hrs · 296 cycles

PDX - MAIN CABIN DOOR MATING FACE IS DENTED MIDWAY ALONG THE FORWARD LENGTH. REPAIRED IAW EA-53-02.

Part: RETAINER — CRACKED (L/E SLAT) · airframe 251 hrs · 255 cycles

PDX - CRACK ON SLAT SEAL RETAINER OUTBOARD SEGMENT WING STATION 180.00 TO APPROXIMATELY 0.00 CHORD. STOP DRILLED CRACK IAW EA R-57-01.