N520DC

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 42,570 hrs · 32,081 cycles

ACRID FUMES WITH PACK OPERATING / PERFORMED OPS TEST OF THE AIR CONDITIONING DISTRIBUTION SYSTEM IAW CRJ700 AMM 21-51-00-710-801-A01. NO SMELLS OR DEFECTS NOTED. THIS CLEARS MEL

Part: MANIFOLD — WARNING MESSAGE (700) · airframe 42,264 hrs · 31,797 cycles

AFTER TAKE-OFF FROM OAJ ON CLIMB AROUND 600-700FT, THE CREW GOT A STEERING INOP INDICATOR MESSAGE. THEY IMMEDIATELY BEGAN COORDINATING WITH OAJ TOWER TO NOTIFY CLT TOWER FOR WHEN THEY WOULD ARRIVE IN CLT. THEY RAN THE QRH. THE CREW DID NOT DECLARE AN EMERGENCY BUT CLT TOWER DID FOR THEM. EMS(FIRE) RESPONDED ON THE RUNWAY. THERE WERE NO PASSENGER OR CREW INJURIES. THEY DID NOT EVACUATE. THE A/C WAS TOWED TO GATE E40. NWS INOP ON TAKEOFF. REMOVED NLG STEERING MANIFOLD IAW CRJ 700 AMM 32-51-50-000-801. INSTALLED NOSE WHEEL STEERING MANIFOLD IAW CRJ 700 AMM 32-51-50-400-801. LEAK CHECK GOOD. BITE CHECK GOOD. OPS CHECK GOOD."

Part: SKIN — DENTED · airframe 42,259 hrs · 31,790 cycles

DURING MAINTENANCE OPERATION IN ARLINGTON, VA (DCA), A DENT MEASURING 2.500€?L X 0.500€?W X 0.020€?D WAS IDENTIFIED ON THE FUSELAGE SKIN BETWEEN FS364 €“ FS379 AND STR17L-STR18L. SEE FIGURE 1 FOR DETAILS. / COMPLETED PERMANENT REPAIR OF DENT ON FUSELAGE SKIN BETWEEN FS364.00 - FS390.00 AND STR17L AND STR18L IAW EA 22-C7-53-0512 REVISION A. THIS IS A PERMANENT REPAIR. THIS IS A MAJOR REPAIR. FORM 337 COMPLETED AND FILED. SEE TASK BARCODE TRFKE00946MP FOR COMPLETION OF DTE WITHIN 12 MONTHS OF RETURN TO SERVICE DATE."

Part: PRESSURE SWITCH — BENT (100) · airframe 42,537 hrs · 31,610 cycles

JUST AFTER TAKEOFF AT FL500 CREW GOT NWS MESSAGE AND THEY CONTINUED TO CLIMB TO FL5000. CREW RAN THE QRH AND DECIDED TO RETURN TO FIELD. CREW DECLARED EMERGENCY AND CREW HELD FOR A WHILE TO BRING THE LANDING WEIGHT DOWN BELOW OVERWEIGHT LANDING. AFTER LANDING IN PIT AND COMING TO FULL STOP ON THE RWY CREW TRY TO RESET THE NWS BUT IT WOULD NOT RESET. CREW CALLED FOR TOW TO GATE. TRUCKS ROLLED, NO BRACE IN CABIN LANDED SAFELY AND NO INJURIES. / T/S NWS STEERING INOP PER FIM 32-51-35-810-801 AND 32-51-50-810-801. VERIFIED LANDING GEAR SLECTOR VALVE GOOD PER FIMS 6.A.1.E. DURING FAULT ISOLATION 7.B.M.2 FOUND HYD 3 PRESSURE SWITCH MT129P1 TO HAVE A BENT PIN. SEE NEXT ITEM FOR FURTHER MTX. REMOVED AND REPLACED DAMAGED PRESSURE SWITCH IN ACCORDANCE WITH CRJ AMM 29-34-01-000/400-802-A01. OPS AND LEAK CHECKS GOOD. PERFORMED OPS TEST OF NOSE WHEEL STEERING IN ACCORDANCE WITH CRJ AMM 32-51-00-710-801-A01. OPS TESTS GOOD.

Part: DISPLAY — UNSERVICEABLE (200) · airframe 41,997 hrs · 31,558 cycles

BURNING SMELL IN THE COCKPIT AT GATE. FOUND DISPLAY FAN #2 MAKING UNUSUAL NOISE WITH OZONE SMELL ON FLIGHT DECK. SMELL DISSIPATED WHEN FAN #1 SELECTED. PLACED DISPLAY FAN #2 ON MEL 21-24-02+2 CAT C. CBP1-B2 PULLED/COLLARED PER MEL INSTRUCTIONS. REMOVED AND REPLACED #2 DISPLAY SUPPLY FAN IAW CRJ 700 AMM 21-24-12-000/400-801-A01. OPS CHECK GOOD. THIS CLEARS MEL.

Part: NONE — NONE · airframe 41,271 hrs · 30,914 cycles

GLOW STRIP ALONG RIGHT SIDE OF GALLEY SERVICE DOOR IS MISSING. INSTALLED REQUIRED PLACARD ON RIGHT SIDE OF SERVICE DOOR IAW CRJ 700 AMM 11-30-03-210-801-PSA.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

STRINGER SPLICE AT 24RH FS 333 CORRODED REQUIRES REPLACEMENT

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15L BETWEEN FS 379.00 TO FS 485.00

Part: SUPPORT — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

INTERNAL. JACK FITTING SUPPORTS BTW FS STA 265 280 HAVE CORROSION OUTSIDE OF LIMITS

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 379.00 TO FS 485.00

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 485.00 TO FS 565+8

Part: INTERCOSTAL — CORRODED (ZONE 800) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

INTERCOSTAL DD1 IN PAX DOOR STRUCTURE HAS CORROSION OUTSIDE OF LIMITS

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT FLOOR BEAM OF SF349 BETWEEN RBL9 AND RBL18

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 708+4.00 TO FS 761.00

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 785.00 TO FS 863.00

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION ON STR 24R FROM FS 280 TO 333 IN AVIONICS COMPARTMENT

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL 15R BETWEEN FS 863 TO FS 909+8

Part: POST — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION ON POST LOWER CORNER OF FS 280 STGR 25 RH OF AT MAIN AVIONICS COMPARTMENT

Part: STRINGER SPLICE — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

STRINGER SPLICE AT 25RH FS 333 CORRODED REQUIRES REPLACEMENT

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION ON SIDE SEAT RAIL AT 15R BETWEEN FS 909+8 TO FS 969

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL STR 15L BETWEEN FS 863 TO 969

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 581 TO FS 693.0+8

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 667.00 TO FS 708.00

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 377.0 TO FS 501.

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION ON STRINGER 27 IN STA.FS 280 TO FS 295 AT MAIN AVIONICS COMPARTMENT

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL 15L BETWEEN FS 677+8.00 TO FS 863

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 581.00 TO FS 677

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 501 TO FS 581

Part: HINGE — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

CORROSION ON HINGES AND HINGE FITTINGS OF ACCESS DOOR ON ACCESS PANEL 196DR

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

23RH STRINGER FS 280 TO FS 379 AT MAIN AVIONICS COMPARTMENT CORRODED BEYOND LIMITS

Part: INTERCOSTAL — CORRODED (ZONE 800) · corrosion level 2 · airframe 42,973 hrs · 32,285 cycles

INTERCOASTAL DD5 AT MAIN PASSENGER DOOR STRUCTURE WAS CORRODED BEYOND LIMITS

Part: NONE — CORRODED (ZONE 100) · airframe 42,973 hrs · 32,285 cycles

JACK FITTING SUPPORTS BETWEEN 265 AND 280 HAVE CORROSION ON INTERNAL JACKING FITTING.

Part: RIB — CRACKED (LT WING) · airframe 40,124 hrs · 29,874 cycles

MACHINED RIB AT LH WING SS57.16 CRACKED

Part: DOOR — UNSECURE (COCKPIT) · airframe 39,991 hrs · 29,760 cycles

TAKING OFF RWY 4R IN DTW, THE CREW ABORTED BETWEEN 40-50KTS DUE TO AN UNSECURE FLIGHT DECK DOOR.

Part: BATTERY — FAILED (EMERGENCY LIGHTS) · airframe 39,625 hrs · 29,443 cycles

EMERGENCY LIGHTS WERE FOUND INOPERABLE DURING MAINTENANCE VISIT. REMOVED AND INSTALLED 3 NEW POWER SUPPLIES. ALSO, REPLACED POWER SUPPLY BATTERY MPN: AD2013-1A, SN: 241112, TSN: 8, CSN: 9, TSO: 9; AND POWER SUPPLY BATTERY MPN: 2013-1A, SN: 504592, TSN: 287, CSN: 274, TSO: 274.

Part: PROXIMITY SENSOR — OUT OF LIMITS (NLG CENTERING) · airframe 38,547 hrs · 28,498 cycles

GEAR DISAGREE WARNING MSG ON TAKEOFF. FOUND NLG CENTERING PROX SENSORS PX08 AND PX37 OUT OF LIMITS. ADJUSTED SENSORS IAW CRJ700 AMM. PERFORMED OPS CHECK OF THE LANDING GEAR EXTENSION AND RETRACTION SYSTEM. OPS CHECKS GOOD.

Part: TRANSDUCER — MALFUNCTIONED (ANTI SKID SYSTEM) · airframe 37,596 hrs · 27,630 cycles

CREW RECEIVED AN ANTI SKID CAUTION MSG IN FLIGHT. THEY DECLARED AN EMERGENCY AND TRUCKS ROLLED. THE FLIGHT LANDED SAFELY AND TAXIED TO THE GATE. SWAPPED LHIB AND LHOB WHEEL SPEED XDUCERS IAW CRJ 700 AMM 32-44-01-000/400-801. OPS TEST GOOD IAW CRJ 700 AMM 32-44-00-710-801. A/C OK FOR SERVICE

Part: PSEU — FAILED (MLG) · airframe 36,921 hrs · 27,033 cycles

DURING CLIMB, CREW SELECTED GEAR UP. GEAR DID NOT RETRACT AND CREW RECEIVED GEAR DISAGREE WARNING. CA RAN QRH AS FO FLEW. CREW DECLARED AN EMERGENCY WITH ATC, AND BURNED OFF FUEL BEFORE LANDING. TRUCKS ROLLED, CABIN DID NOT BRACE. CREW LANDED ON RWY 27L WITH NO INCIDENT AND AIRCRAFT WAS ABLE TO TAXI TO GATE F14 UNDER ITS OWN POWER WITHOUT FURTHER INCIDENT. R/R PSEU IAW CRJ 700 AMM 32-61-01-000/400-801. OPS TEST GOOD. PERFORMED MULTIPLE GEAR SWINGS IAW CRJ 700 AMM 32-30-00-710-802. NO FURTHER DEFECTS NOTED AT THIS TIME

Part: HANDLE — FAILED (MLG) · airframe 36,916 hrs · 27,028 cycles

GEAR DISAGREE MASTER WARNING UPON GEAR RETRACTION FOLLOWED QRH INSTRUCTIONS MESSAGE CLEARED. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. MX DEFERRED LANDING GEAR EXTENSION AND RETRACTION SYSTEM.REMOVED AND REPLACED LANDING GEAR SELECTOR HANDLE IAW CRJ 700 AMM 32-31-01-000/400-802 OPS CHECK GOOD.

Part: O-RING — MISSING (OIL SYSTEM) · airframe 36,348 hrs · 26,512 cycles

CREW RECEIVED A RH ENG LOW OIL PRESSURE WARNING MSG AND SHUT DOWN THE ENGINE SHORTLY AFTER TAKE-OFF FROM CLT. MX INSTPECTED AND FOUND THERE TO BE MISSING O-RINGS FROM THE RH ENG ATS. MX INSTALLED NEW O-RINGS AND OPS AND LEACK CHECKED GOOD.

Part: FRAME — CORRODED (BS 319.7) · airframe 35,348 hrs · 25,592 cycles

FRAME AT FS319.70 REQUIRES REMOVAL FOR STRINGER 25 RIGHT AND 26 RIGHT REMOVAL.-C/A-REPAIRED IAW ERS-CR-53MR-3359.

Part: FRAME — GOUGED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

FRAME AT FS 1162.00 AND STRINGER 8 LEFT HAS A DEEP GOUGE. C/W FRAME REPAIR AT FS 1162.00 AND STR 8L IAW ERS-CR-53MR-1724.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

STRINGER 26 RIGHT CORRODED FROM FS280.00-295.00. COMPLETE DRILLED AND INSTALLED NEW STR 26R IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

STRINGER 25 RIGHT IS CORRODED BETWEEN FS280.00-295.00. DRILLED AND INSTALLED NEW STRINGER 25 RT IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

STRINGER 26 RIGHT IS CORRODED BETWEEN FS333.00-349.00. INSTALLED NEW STR 26R SECTION BETWEEN FS333.00 AND 349.00 IAW SRM 51-42-06.

Part: SKIN — CRACKED (PAX DOOR) · airframe 35,348 hrs · 25,592 cycles

PAX DOOR AFT SIDE SKIN IS CRACKED APPROX 3/8" AT THE FIRST STEP. REPAIRED PAX DOOR AFT STEP-SHELL SKIN AT UPPER STEP IAW SRM 52-11-04.

Part: PANEL — CRACKED (PAX DOOR) · airframe 35,348 hrs · 25,592 cycles

PAX DOOR, FWD SIDE PANEL IS CRACKED LOWER MOST CORNER. REPAIRED PAX DOOR FWD STEPSHELL LOWER CORNER IAW SRM 52-10-04.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

FLOOR SUPPORT ON FORWARD SIDE OF FRAME STATION 280.00 CROSSMEMBER FOR COCKPIT CENTER AISLE FLOORBOARD IS CORRODED. COMPLETE INSTALLED NEW FLOOR SUPPORT ON FWD SIDE OF FS280.00 CROSS MEMMBER IAW SRM 51-42-06.

Part: STRINGER SPLICE — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

STRINGER SPLICE FOR STRINGER 25RT AT FRAME STATION 333.00 IS CORRODED OUT OF LIMITS. COMPLETE INSTALLED NEW STRINGER SPLICE FOR STR25R IAW SRM 51-42-06.

Part: STRINGER SPLICE — CORRODED (FUSELAGE) · airframe 35,348 hrs · 25,592 cycles

STRINGER SPLICE FOR STRINGER 26RT AT FRAME STATION 333.00 IS CORRODED OUT OF LIMITS. COMPLETE DRILLED INSTALLED NEW STRINGER SPLICE FOR STR.26R IAW SRM 51-52-06.

Part: SPOILER SYS — MALFUNCTIONED · airframe 33,934 hrs · 24,437 cycles

DURING APPROACH, WHILE RETRACTING THE FLIGHT SPOILERS, RECEIVED AN OTBD SPOILERON AND OTBD FLT SPOILERS CAUTION. SPOILERS RT OTBD MFS PCU FAILED, PCU JAM. PERFORMED SPOST1 TEST IAW AMM 27-61-05-740-801, SELF TEST OF THE SSCU NO FAULTS NOTED. ACFT OK FOR SERVICE.

Part: WIRE HARNESS — DAMAGED (NLG STEERING) · airframe 33,855 hrs · 24,376 cycles

STEERING INOPERATIVE DURING CLIMBOUT. REMOVED AND REPLACED NLG STEERING WIRE HARNESS ASSEMBLY IAW CMM 32-21-06. OPS CHECKED GOOD.

Part: CRADLE — INOPERATIVE (FWD FLASHLIGHT) · airframe 33,092 hrs · 23,782 cycles

NR 1 FA FLASHLIGHT CHARGING STATION DOES NOT GRIP FLASHLIGHT. REPLACED FWD FA FLASHLIGHT ASSY.

Part: SIGN — LOOSE (EMERGENCY LIGHTS) · airframe 32,872 hrs · 23,603 cycles

EXIT SIGN ABOVE SERVICE DOOR LOOSE. REMOVED AND REPLACED EXIT SIGN IAW 33-51-05. PERFORMED OPS CHECK IAW 33-51-00. CHECKED GOOD.

Part: TRANSCOWL — CRACKED (LT) · airframe 31,423 hrs · 22,460 cycles

LEFT ENGINE UPPER TRANS COWL HAS A 1 INCH CRACK ON THE AFT CORNER OF THE LATCH COAMING-C/A-REMOVED AND REPLACED LH LATCH COAMING IAW SRM 51-42-06 AND SRM 51-42-10. RESTORED SURFACE PROTECTION IAW SRM 51-25-01.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 31,423 hrs · 22,460 cycles

LT T BRACKET AT FS 280 AND BL 9 IS CRACKED. R&R LT T BRACKET AT FS 280 AND BL 9 IAW SRM 51-42-06 AND SRM 51-42-21.

Part: SUPPORT ANGLE — CRACKED (BS 909) · airframe 31,423 hrs · 22,460 cycles

ANGLE ON BELLY FAIRING SUPPORT FRAME BS 909, STRINGER 24L HAS A .750 INCH CRACK. REPAIRED IAW ERS-CR-5300-2328

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 31,423 hrs · 22,460 cycles

AFT SIDE OF THE RIGHT HAND COCKPIT BULKHEAD HAS CORROSION AT FLOOR LEVEL RBL 9.00. REPLACED LOWER BULKHEAD IAW SRM 53-11-10.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 31,423 hrs · 22,460 cycles

T BRACKET AT FS 280.00 AND BL 9.00 ON THE RIGHT SIDE IS CRACKED. INSTALLED NEW BRACKET AT FS 280.00 AND BL 9 RT IAW SRM 51-42-06 AND SRM 51-42-21.

Part: DOOR SILL — CORRODED (CARGO BAY) · airframe 31,423 hrs · 22,460 cycles

AFT CARGO DOOR SILL IS CORRODED THE ENTIRE LENGTH IN A PREVIOUSLY BLENED AREAS. FOUND TO BE WITHIN LIMITS IAW ETN CR-53-104. PAINTED IAW SRM 51-25-06 AND ETN GN-51-008.

Part: CROSSBEAM — CRACKED (FUSELAGE) · airframe 31,423 hrs · 22,460 cycles

LEFT SIDE OF CROSSBEAM AT FS 280.00 HAS A 1/2" CRACK BY THE AFT INBD EDGE OF THE DRIP TRAY AS VIEWED FROM UNDERNEATH CROSSBEAM. R&R LT CROSSBEAM HALF AT FS 280.0 IAW SRM 53-11-41.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 31,423 hrs · 22,460 cycles

RT SIDE OF THE FLOORBEAM BS 280 IS CORRODED BETWEEN BL 0 AND RBL 27. COMPLETED INSTALLATION OF THE FLOORBEAM IAW SRM 51-42-06.

Part: SPLICE — CRACKED (FUSELAGE) · airframe 31,423 hrs · 22,460 cycles

LOWER CENTER SPLICE PIECE ON CROSSBEAM AT FS280.00 HAS A 3/8" CRACK. R&R LOWER CENTER SPLICE PIECE ON CROSSBEAM AT FS280.00 IAW SRM 53-11-41.

Part: ANGLE — CRACKED (MAIN DOOR) · airframe 31,423 hrs · 22,460 cycles

MAIN DOOR AFT SIDE INTERIOR ANGLE NEAR DOOR ASSIST CABLE IS CRACKED. REPAIRED IAW SRM 52-11-04

Part: PCU — MALFUNCTIONED (SPOILERS) · airframe 31,286 hrs · 22,351 cycles

INBOARD FLIGHT SPOILERS CAUTION MESSAGES IN FLIGHT AFTER DEPLOYMENT. INTEROGATED MDC, FOUND LT INBD MFS PCU/PCU JAM MDC MESSAGE. PERFORM SPOST 1 RESET. PERFORMED OPS CHECK IAW ETN-CR-27-093. OPS CHECKED GOOD

Part: CRADLE — DAMAGED (FLASHLIGHT) · airframe 31,274 hrs · 22,339 cycles

FA NR 2 FLASHLIGHT WILL NOT REMAIN IN CRADLE. REMOVED AND REPLACED THE FLASHLIGHT MOUNTING BRACKET IAW AMM 25-61-02. OPS CHECKED GOOD.

Part: SPOILER SYS — MALFUNCTIONED · airframe 30,984 hrs · 22,134 cycles

DESCENDING THROUGH FL200 DOWN TO 10,000 FEET, FLIGHT SPOILERS DEPLOYED AND THE CAUTION MESSAGE OTBD SPOILERONS & OTBD FLT SPOILERS POSTED ON ED1 QRH PROCEDURES COMPLETED. TROUBLESHOT IAW FIM 27-64-01-810-818-A01. PERFORMED SPOST1 RESET AND OPS CHECK OF MFS SPOILERS IAW AMM 27-61-05 AND 27-62-01. OPS CHECKED GOOD, NO FAULTS NOTED AT THIS TIME.

Part: PROXIMITY SENSOR — OUT OF ADJUST (EMERGENCY EXIT) · airframe 30,872 hrs · 22,053 cycles

RIGHT EMERGENCY EXIT CAUTION MESSAGE. FLIGHTCREW PLACARDED OVERWING EXIT INDICATION SYS, MEL 5207. DURING TROUBLESHOOTING OF RT EMERGENCY EXIT DOOR WARNING SYSTEM FOUND PROX SWITCH PX42 OUT OF RIG. REMOVED AND REPLACED RT EMERGENCY DOOR PROX SENSOR PX42 IAW AMM 52-70-10 OPS CHECK GOOD. MEL ITEM RESTORED.

Part: ANTI-ICE VALVE — FAULTY (LT COWLING) · airframe 29,866 hrs · 21,287 cycles

LEFT COWL ANTI-ICE CAUTION MSG ENROUTE AFTER WE CLIMBED THROUGH THE ICE. R & R LT COWL ANTI-ICE VLV IAW AMM 30-22-01. OPERATIONS CHECKED GOOD.

Part: SPOILER — MALFUNCTIONED (WING) · airframe 29,618 hrs · 21,077 cycles

OUTBOARD FLIGHT SPOILERS CAUTION MSG ON EICAS. INTERROGATED MDC, FOUND RT OTBD MFS PCU FAILED PCU JAM MDC MSG. PERFORM SPOST 1 RESET. PERFORMED OPERATIONS CHECK IAW ETN-CR-27-093. OPERATIONS CHECKED GOOD. REF ITEM 2 LG PG 3920814, REF ITEM 1 LG PG 3920814 FOR ACCOMPLISHMENT OF ETN-CR-27-093 NO CURRENT MDC MSG OR EICAS MSG RELATED TO PREVIOUS DISCREPANCY.

Part: BULKHEAD — GOUGED (BS 202) · airframe 29,023 hrs · 20,598 cycles

BS 202.75 BULKHEAD HAS TWO GOUGES AT WL 102.0, BETWEEN STIFFENERS LBL 7.46 & LBL 13.77. REPAIRED IAW REO 670-53-11-1085.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 29,023 hrs · 20,598 cycles

WHILE PERFORMING SERVICE BULLETIN 670BA-53--040 REV C, FOUND PAX DOOR LINTEL, STRINGER 3L CRACKED. REPAIRED IAW SB 670-53-040 REV C & REO 570-53-21-493.

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 28,234 hrs · 19,968 cycles

FORWARD FLIGHT ATTENDANTS EMER FLASHLIGHT INOPERATIVE. R & R FWD FLIGHT ATTENDANTS EMER FLASHLIGHT IAW 25-61-00. OPERATIONS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 27,889 hrs · 19,684 cycles

WHILE CLIMBING THROUGH 6000 & ACCELERATING THROUGH 240 KNOTS WE RECEIVED A NOSE DOOR OPEN WARNING. PERFORMED ADJUSTMENT & TEST OF PX 30 & PX 31 SENSOR IAW AMM 32-61-05. POS CHECK GOOD, NO ADJUSTMENT REQUIRED AT THIS TIME. SEE ITEM NR 2.

Part: BATTERY PACK — FAILED (CABIN) · airframe 27,364 hrs · 19,240 cycles

EMERGENCY LIGHTS WILL NOT SHUT OFF. R & R NR 4 BATTERY PACK IAW WC 33-002. OPERATIONS CHECKED GOOD.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 27,224 hrs · 19,140 cycles

NUMBER 2 LT EXTERNAL EMER LIGHT INOPERATIVE. R & R NR 2 LT EXTERIOR EMER LIGHT IAW AMM 33-51-15. OPERATIONS CHECKED GOOD.

Part: ANTI-ICE VALVE — FAILED (RT WING) · airframe 26,979 hrs · 18,939 cycles

DURING DESCENT IN ICING CONDITIONS PASSING THRU APPROX 8000 FT, RECEIVED A RT WING OVERHEAT WARNING. COMPLIED WITH AOM VOL 1 EMERGENCY PROCEDURES & WING OVERHEAT EXTINGUISHED AFTER APPROXIMATELY ONE OR TWO MINUTES. RT WING ANTI-ICE VALVE FAILED. COMPLIED WITH OPS CHECK OF WING ANTI-ICE SYS IAW AMM 30-12-00. OPS CHECKED GOOD.

Part: WINDOW — CRACKED (COCKPIT) · airframe 26,531 hrs · 18,601 cycles

RIGHT WINDOW CRACKED IN DECENT. P4 PSI WIDOW CONTINUED TO CRACK FURTHER DURING TAXI. TRANSFERRED TO NRWC 520-ORD-01601. R & R RT FLIGHT COMPARTMENT WINDOW IAW AMM 56-12-01-400-801. LEAK CHECKED GOOD. WINDOW TEMP CONTROLLER CHECK GOOD.

Part: HAND RAIL — OUT OF ADJUST (MAIN DOOR) · airframe 25,602 hrs · 17,990 cycles

MAIN DOOR HAND RAIL PIN WILL NOT RELEASE WHEN FLIGHT ATTENDANT TRIED TO OPEN MAIN DOOR. ADJUSTED MAIN DOOR HANDRAIL IAW AMM 52-11-05, OPERATIONS CHECKED GOOD.

Part: DOOR — OBSTRUCTED (CABIN) · airframe 25,519 hrs · 17,950 cycles

PASSENGER DOOR WOULDN’T OPEN. REMOVED DEBRIS FROM PAX DOOR MATING SURFACES. DOOR OPERATIONS CHECKED NORMAL AT THIS TIME IAW AMM.

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 25,488 hrs · 17,930 cycles

PASSENGER DOOR FLASHLIGHT INOPERATIVE. R & R PAX DOOR FLASHLIGHT ASSEMBLY IAW AMM 25-61-02, OPERATIONS CHECKED GOOD.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 25,483 hrs · 17,925 cycles

DURING 3C INSPECTION FOUND RT INBD INTERCOSTAL FWD T BRACKET IS CRACKED. FABRICATED NEW BRACKET & INSTALLED IAW ETN CR-53-043 & STRUCTURAL REPAIR MANUAL 51-42-21.

Part: DRAG ANGLE — CRACKED (LT HORIZ STAB) · airframe 25,483 hrs · 17,925 cycles

LEFT FWD STABILIZER DRAG ANGLE CRACKED ON AFT END. REPAIRED IAW EO CR-55MR-038.

Part: SKIN — CRACKED (LT WING) · airframe 25,483 hrs · 17,925 cycles

LEFT WING UPPER SURFACE HAS COMPOSITE CRACK IN TE LOCATED OTBD OF THE OTBD MFS. REPAIRED LT WING UPPER SURFACE COMPOSITE CRACK IN THE TE LOCATED OTBD OF THE OTBD MFS IAW SRM 51-75-12.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,483 hrs · 17,925 cycles

STRINGER & STRINGER SPLICE 26RH CORRODED BETWEEN FS 319.70 & FS 349.00. INSTALLED NEW STRINGER IAW SRM 51-42-06.

Part: WIRE — BROKEN (FLASHLIGHT) · airframe 25,483 hrs · 17,925 cycles

AFT FLASHLIGHT HOLDER HAS A BROKEN WIRE. REPLACED THE BROKEN WIRE FLASHLIGHT HOLDER WITH NEW HOLDER AT THE AFT LOCATION IAW AMM 25-61-02.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,483 hrs · 17,925 cycles

STRINGER 25R CORRODED BETWEEN FS 333.00 & FS 349.00. R & R STRINGER 25R BETWEEN FS 333.00 & FS 349.00 IAW SRM 51-42-06 & SRM 51-42-21.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,483 hrs · 17,925 cycles

STRINGER & STRINGER SPLICE 25R CORRODED BETWEEN FS 319.70 & FS 333.00. INSTALLED NEW STRINGER & SPLICE IAW SRM 51-42-06 & 51-42-21 & COMPLIED WITH ERS-CR-53MR-258.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 25,483 hrs · 17,925 cycles

CROSSBEAM AT FS 280.00 CORRODED. COMPLIED WITH R & R RT SIDE OF FS 280.00 IAW SRM 51-42-06 & SRM 51-42-21.

Part: ACTUATOR — INOPERATIVE (RT MLG) · airframe 24,391 hrs · 17,207 cycles

AFTER TAKE OFF DURING GEAR RETRACTION, NR 2 MAIN LANDING GEAR DISAGREE WARNING SHOWED RED BOX. ACFT REMOVED FROM SERVICE. R & R RT MLG RETRACTION ACTUATOR IAW AMM 32-32-05 OPS & LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 23,009 hrs · 16,309 cycles

DURING MAINTENANCE INSPECTION, FOUND THE LIGHT BULB FOR EMERGENCY EXIT SIGN LEFT OVERWING EXIT INOPERATIVE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BULB. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — BURNED OUT (COCKPIT) · airframe 22,610 hrs · 16,074 cycles

ON FLIGHT 3793 THE CREW REPORTED THE CAPTAIN’S MAP LIGHT BURNED OUT, FOLLOWED BY A BURNING ODOR. CB P2 PLT MAP ON CBP NR 2 POPPED. THE AIRCRAFT WAS REMOVED FROM SERVICE. RESET CB P2. INSPECTED WIRE. NO DEFAULT NOTED. RE-INSTALLED LIGHT IAW CRJ AMM 33-13-03. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FLASHLIGHT — UNSERVICEABLE (COCKPIT) · airframe 22,580 hrs · 16,053 cycles

ON FLIGHT 3778 THE CREW REPORTED THE CAPTAIN’S FLASHLIGHT- ONE OF THE CHARGING CONTACTS HAS COME LOOSE AND WAS HANGING OUT OF THE FLASHLIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FLASHLIGHT IAW 25-61-02. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONTROL WHEEL — INOPERATIVE (NLG STEERING) · airframe 22,360 hrs · 15,920 cycles

ON FLIGHT 4667 THE CREW REPORTED THAT AFTER DEPARTURE IN CLIMB THEY RECEIVED AN EICAS STEERING INOP CAUTION MESSAGE. AFTER THE CREW COMPLETED THE ABNORMAL CHECKLIST AND CONSULTED MOC AND DISPATCH THEY DECIDED TO CONTINUE TO LGA. THE CREW DECLARED AN EMERGENCY AND REQUESTED CFR UPON ARRIVAL. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NOSE WHEEL STEERING ECO IAW MM 32-51-10. THE OPERATIONAL CHECK WAS NOT GOOD. IT DID NOT FIX THE PROBLEM. REMOVED AND REPLACED THE NOSE WHEEL STEERING HAND CONTROL WHEEL IAW MM 32-51-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PIN — DEFECTIVE (EMERGENCY LIGHTS) · airframe 21,734 hrs · 15,520 cycles

DURING B INSPECTION FOUND THE EMERGENCY CEILING FLOOD LIGHT DS143 INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED PINS ON CONNECTOR P359 TO EMERGENCY CEILING FLOOD LIGHT IAW CRJ700 EECSPM 20-26-03. THE OPERATIONAL TEST WAS GOOD IAW CRJ700 AMM 33-51-00. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 21,673 hrs · 15,475 cycles

ON FLIGHT 3685, THE CREW REPORTED THE OVERHEAD EMERGENCY LIGHT IN CABIN INOPERATIVE. AIRCRAFT REMOVED FROM SERVICE. ON APPLICATION OF AIRCRAFT ELECTRICAL POWER, CHECKED ALL EMERGENCY LIGHTS AND FOUND ALL TO BE OPERATING NORMALLY AS REQUIRED. LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TRANSDUCER — INOPERATIVE (WHEEL SPEED) · airframe 21,667 hrs · 15,472 cycles

ON FLIGHT 3706, THE CREW REPORTED THAT ON THE CLIMB THEY HAD AN "ANTI SKID INBD CAUTION" MESSAGE. AFTER THE INDICATION CONTINUING ON THE CLIMB, THEY HAD AN" IB GRND SPL FAULT STATUS" MESSAGE. RIGHT AFTER THAT "AP TRIM IS RWD CAUTION" MESSAGE. THE CREW PERFORMED ALL THE NECESSARY CHECKLIST. THE CREW DECIDED TO DECLARE AN EMERGENCY, DUE TO THE SHORT DISTANCE FROM EL PASO, THE CREW RETURNED TO THE POINT OF DEPARTURE. THE AIRCRAFT WAS BELOW MAX LANDING WEIGHT. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT B WHEEL SPEED TRANSDUCER IAW AMM 32-44-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CROSSBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 20,652 hrs · 14,803 cycles

DURING MAINTENANCE INSPECTION FOUND CABIN CROSSBEAM FS 280.00 CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED CABIN CROSSBEAM FS 280 IAW CRJ SRM 51-42-06. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — CORRODED (CABIN)

DURING MAINTENANCE INSPECTION FOUND THE FORWARD BOTTOM CORNER OF THE MAIN PASSENGER DOOR CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FORWARD BOTTOM CORNER OF THE PASSENGER DOOR IAW CRJ SRM'S 51-42-06, 51-42-13, AND 51-42-21. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 20,652 hrs · 14,803 cycles

DURING MAINTENANCE INSPECTION FOUND RIGHT INBOARD SUPPORT ANGLE FOR AVIONICS COMPARTMENT SURROUND STRUCTURE CORRODED AT FS 364.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT HAND INBOARD FORWARD INTERCOSTAL AT FS364.00 IAW BOMBARDIER STRUCTUAL REPAIR MANUAL 51-42-21. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 20,652 hrs · 14,803 cycles

DURING MAINTENANCE INSPECTION FOUND RIGHT OUTBOARD FORWARD SUPPORT ANGLE FOR AVIONICS COMPARTMENT SURROUND STRUCTURE CORRODED AT FS 364.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT HAND OUTBOARD FORWARD INTERCOSTAL AT FS364 IAW CRJ SRM 51-42-21. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRACKET — BROKEN (COCKPIT)

DURING MAINTENANCE BASE VISIT FOUND THE FIRST OFFICER’S FLASHLIGHT HOLDER BRACKET BROKEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FIRST OFFICER’S FLASHLIGHT ASSEMBLY IAW AMM TASK 25-61-02-000-801 & 25-61-02-400-801. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CHARGER — INOPERATIVE (CABIN) · airframe 19,726 hrs · 14,205 cycles

DURING MAINTENANCE BASE VISIT FOUND THE RIGHT OVERWING FLOOR LEVEL TRACK EXIT SIGN INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED BATTERY CHARGER ASSEMBLY NR 4 IAW AMM 33-51-15. THE OPERATIONAL CHECK WAS GOOD. AS PRECAUTIONARY REMOVED AND REPLACED RIGHT LOWER OVERWING EXIT IDENTIFIER LIGHT ASSEMBLY PART NUMBER BR9279-013. THE OPERATIONAL CHECK WAS GOOD IAW CRJ700 AMM 33-51-15. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRACKET — LOOSE (NLG DOOR) · airframe 18,076 hrs · 13,121 cycles

ON FLIGHT 3772 THE CREW REPORTED THAT AFTER TAKEOFF RECEIVED A GEAR DISAGREE MASTER WARNING. THE LEFT AND RIGHT MAIN LANDING GEAR SHOWED AMBER. NOSE GEAR SHOWED RED. THE LANDING GEAR DID NOT RETRACT. THE CREW ELECTED TO RETURN TO ORD AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. RETORQUED AFT NOSE DOOR BRACKET IAW CRJ-700 CMM 32-21-06. NO PARTS REMOVED OR REPLACED. THE OPERATIONAL CHECK WAS GOOD AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SELECTOR VALVE — DEFECTIVE (LANDING GEAR) · airframe 18,071 hrs · 13,118 cycles

ON FLIGHT 3727 THE CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. THE NOSE GEAR INDICATION WAS RED. THE AIRCRAFT HAD AN OVERWEIGHT LANDING. THE AIRCRAFT LANDED AT 69,300 SINK RATE, AND WAS 300 FEET AT TOUCHDOWN. THE CAPTAIN DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LANDING GEAR SELECTOR VALVE IAW CRJ-700 AMM 32-32-10. THE OPERATIONAL CHECK AND LEAK CHECK WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 17,178 hrs · 12,532 cycles

DURING THE PREFLIGHT CHECK FOR FLIGHT 3768 THE CREW NOTICED ALL EMERGENCY LIGHTS DEAD AND FOUND THE SWITCH IN THE ON POSITION. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED ALL OF THE EMERGENCY POWER SUPPLY BATTERY PACKS IAW CRJ 700 MM CH 33-51-17. PART NUMEBR: 20131-A. SERIAL NUMBERS: 66432, 105194, 104854 AND 77338. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — DELAMINATED (CABIN) · airframe 16,003 hrs · 11,781 cycles

DURING INSPECTION FOR FLIGHT 3712 THE EMERGENCY FLOOR PATH LIGHTING RIGHT SIDE AFT OF FS 775.74 WAS FOUND TO BE DELAMINATING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE EMERGENCY FLOOR PATH LIGHTING ON THE RIGHT SIDE AFT OF FS 775-2-74 IAW AMM 33-51-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULB — BURNED OUT (EMERGENCY LIGHTS) · airframe 15,830 hrs · 11,655 cycles

SUPPLEMENTAL INFORMATION: DURING MAINTENANCE BASE VISIT FOUND THE NR 2 CABIN EMERGENCY LIGHT CEILING LEVEL FLOOD LIGHTS TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LIGHT BULB IN THE NR 2 EMERGENCY FLOOD LIGHT. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (CABIN) · airframe 16,092 hrs · 12,069 cycles

DURING MAINTENANCE BASE VISIT FOUND THE CABIN EMERGENCY LIGHT AT FRAME 509.0 TO BE BURNED OUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. CHANGED BULB DID NOT FIX. FOUND CONNECTOR LOOSE. MAINTENANCE RECONNECTED THE ELECTRICAL CONNECTOR. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRIP — DAMAGED (CABIN) · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE INSPECTION FOUND THE EMERGENCY FLOOR PATH MARKING STRIPS DAMAGED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED SEVEN EMERGENCY FLOOR PATH MARKING STRIPS IAW CRJ700 AMM 33-51-01. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FIREWALL — GOUGED (APU BAY) · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE INSPECTION FOUND THE RIGHT UPPER SIDE OF THE APU FIREWALL GOUGED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED RIGHT UPPER SIDE OF THE APU FIREWALL IAW EO -CR-53MR-203. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE VISIT THE LEFT FLOORBEAM AT FRAME 280 WAS FOUND TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT FLOORBEAM AT FRAME 280 IAW EO CR-53MR-134R1. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULKHEAD — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE VISIT THE RIGHT FRAME 280 BULKHEAD LOWER WEB WAS FOUND TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT FRAME 280 LOWER WEB IAW EO CR-53MR-174. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRINGER — CHAFED (FUSELAGE) · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE INSPECTION FOUND STRINGER 7R CHAFED BETWEEN FS 1144.11 AND FS 1162.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED IAW EO CR-53MR-206. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,149 hrs · 11,182 cycles

DURING MAINTENANCE BASE VISIT THE RIGHT FLOORBEAM AT FRAME 280 WAS FOUND TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT FLOORBEAM AT FRAME 280 IAW EO CR-53MR-134R1. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FITTING — CRACKED (THRUST REVERSER) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE OUTBOARD EXTRUSION CRACKED ON THE RIGHT UPPER TRANS COWL. ACCOMPLISHED OPERATIONAL CHECK OF THE RIGHT TRANS COWL IAW AMM 78-30-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: COVER — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR UPPER AFT CORNER COVER CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE PASSENGER DOOR UPPER AFT COVER IAW SRM 51-42-13, 51-42-06. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PANEL — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR AFT SIDE PANEL CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE AFT GAS SPRING IAW AMM 52-11-17. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRUCTURE — CRACKED (THRUST REVERSER) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE LATCH DOOR COMING CRACKED ON THE RIGHT TRANS COWLS. PERFORMED AN OPERATIONAL CHECK OF THE RIGHT TRANS COWL. NO DEFECTS NOTED IAW AMM 78-30-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FITTING — CRACKED (THRUST REVERSER) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE INBOARD STANDOFF CRACKED ON THE RIGHT UPPER TRANS COWL. ACCOMPLISHED OPERATIONAL CHECK OF THE RIGHT TRANS COWL IAW AMM 78-30-00. THE OPERATIONAL CHECK WAS GOOD.

Part: PANEL — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR AFT PANEL CRACKED ON THE AFT SIDE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED PAX DOOR TOP PANEL ON AFT SIDE IAW ETN-CR-52-045. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: COVER — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR FORWARD CORNER COVER CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE PASSENGER DOOR UPPER FORWARD CORNER IAW SRM 51-42-13 51-42-06. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ANGLE — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR AFT PANEL ANGLE CRACKED AT THE PREVIOUS REPAIR. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED CRACKED ANGLE SECTION IAW ETN CR-52-037R1. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FITTING — CRACKED (THRUST REVERSER) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE INBOARD STANDOFF CRACKED ON THE LEFT LOWER TRANS COWL. PERFORMED LEFT TRANS COWL OPERATIONAL CHECKS, NO DEFECTS NOTED IAW AMM 78-30-00. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STIFFENER — CRACKED (PAX DOOR) · airframe 15,149 hrs · 11,182 cycles

DURING THE MAINTENANCE BASE VISIT INSPECTION FOUND THE PASSENGER DOOR AFT SIDE PANEL STIFFENER CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE PASSENGER DOOR SIDE PANEL STIFFENER IAW CRJ 700 SRM 51-42-05. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: UNKNOWN — SMOKE (CABIN) · airframe 10,256 hrs · 7,500 cycles

ON FLIGHT 3559, CREW REPORTED WHILE DURING PASSENGER BOARDING, PASSENGERS REPORTED SMOKE IN THE AFT PART OF THE CABIN. CREW DETERMINED THAT THE SMOKE WAS POSSIBLY ELECTRICAL IN NATURE. CREW AND PASSENGERS DEBOARDED SAFELY. AIRCRAFT REMOVED FROM SERVICE. PERFORMED EXTENSIVE RUNS, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: COUPLER — MALFUNCTIONED (VOR SYSTEM) · airframe 9,574 hrs · 7,004 cycles

WHILE ON ILS APPROACH A/C WOULD NOT TRACK LOCALIZER. SECOND APPROACH ILS OPERATIONAL. REMOVED AND REPLACED VOR/ILS COUPLER WITH SERVICEABLE COUPLER IAW CRJ 700 AMM 34-51-04 OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE

Part: WINDOW — CRACKED (COCKPIT) · airframe 8,028 hrs · 5,875 cycles

HEARD A POP IN FLIGHT, POST FLIGHT INSPECTION REVEALED CAPTAIN'S SIDE WINDOW INNER PANE HAD CRACKED IN SEVERAL AREAS. REMOVED AND REPLACED CAPTAIN'S LEFT SIDE WINDOW IAW CRJ AMM 56-12-01. PRESSURIZATION CHECKED WITH NO DEFECTS NOTED, RETURNED AIRCRAFT TO SERVICE.

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 7,739 hrs · 5,655 cycles

WEB AT STATION 280 LEFT SIDE CORRODED AT FLOOR MATING AREA. SPLICED IN NEW WEB AT STATION 280 IAW AMERICAN EAGLE ENGINEERING ORDER CR-53MR-112. RETURNED AIRCRAFT TO SERVICE.