N8477R

Part: SKIN — DENTED (FUSELAGE) · airframe 29,509 hrs · 26,742 cycles

PERMANENT REPAIR OF 2 DENTS IN THE LT FUSELAGE SKIN AT FS 589.00 - 605.00, STRINGER 20L - 21L AS SHOWN IN FIG 1. THE DENTS MEASURE 3.875 INCHES X 1.0 INCHES X .009 INCHES DEEP & 11.5 INCHES X 2.88 INCHES X .016 INCHES DEEP. REPAIRED IAW EA CRJ253-03053.

Part: UNKNOWN — ODOR · airframe 29,360 hrs · 26,586 cycles

FROM MM02 APU DEACTIVATED FUEL SMELL ON START. OPERATE APU 5 TO 10 MIN CHECK CABIN & FLIGHT DECK DIDNT NOTE FUEL SMELL. REMOVED APU ENCLOSURE VISUALLY. INSPECTED APU FUEL SYS COMPONENTS WHILE APU OPERATING, NO LEAKS NOTED OR SMELL. COULDN’T DUPLICATE THE SMELL. APU OK FOR OPERATION, OPERATIONS TESTED GOOD AT THIS TIME. REMOVED FROM MM02 & PLACARD, THIS CLEARED MEL 8654 IAW AMM 49-31-00, REINSTALLED APU ENCLOSURE.

Part: UNKNOWN — ODOR (APU) · airframe 29,355 hrs · 26,581 cycles

FUEL SMELL UPON APU START. PLACED APU ON MEL 49-10-11. DEACTIVATED APU IAW MEL. MM02 UPDATED & PLACARD INSTALLED.

Part: SKIN — DENTED (FUSELAGE) · airframe 29,180 hrs · 26,397 cycles

FUSELAGE SKIN AT APPROX FS 674 BETWEEN STRINGER 24R & 25R TO BE DENTED OUTWARD 0.75 INCHES X 0.63 INCHES WITH A 0.125 INCH PUNCTURE IN THE CTR. REPAIRED IAW EA CRJ253-02822.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 29,180 hrs · 26,397 cycles

AFT CEILING EMERGENCY FLOODLIGHT INOPERATIVE. R & R BULB IAW AMM 33-51-16.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 28,666 hrs · 25,864 cycles

2ND FROM AFT EMERGENCY FLOOR TRACK STRIP INOPERATIVE. R & R EMERGENCY FLOOR TRACK LIGHT STRIP IAW AMM 33-51-01.

Part: CYLINDER — ERODED (NLG) · airframe 28,546 hrs · 25,744 cycles

GEAR DISAGREE ON TAKEOFF, NOSE DOOR OPEN MASTER WARNINGS, WITH NOSE DOOR RED, STEERING INOPERATIVE CAUTION, WOW INPUT CAUTION & WOW OUTPUT STATUS MSG. COMPLIED WITH CLEARANCE CHECKS ON NLG IAW AMM 32-61-05, EXTENSION & RETRACTION GEAR DISAGREE TEST & FUNCTIONAL TEST OF LG EXTENSION & RETRACTION SYS IAW AMM 32-30-00, NO DEFECTS NOTED AT THIS TIME. INSPECTED NLG UPPER CYLINDER FOUND INNER CYLINDER EROSION OUT OF LIMITS. R & R NLG DRESSED ASSEMBLY IAW CHECKLIST. THIS CLEARS DM 003530 & PLACARD REMOVED.

Part: WIRE HARNESS — FAULTY (NLG) · airframe 28,539 hrs · 25,738 cycles

UPON GEAR RETRACTION WE RECEIVED THE FOLLOWING MSG'S. GEAR DISAGREE WOW OUTPUT FAIL NOSE DOOR OPEN WOW INPUT STEERING INOPERATIVE. PERFORMED QRH, GEAR LOCKED DOWN 3 GREEN UPON LANDING NO STEERING AVAILABLE, REQUIRED TOW-IN. COMPLIED WITH PA 05-018 REV K SCENARIO 1. R & R NLG HARNESS IAW AMM 32-61-25. CHECKED ADJ OF NLG PROX SENSORS IAW AMM 32-61-05. SVC'D NLG STRUT IAW AMM 12-12-32. SWUNG GEAR IAW AMM 32-30-00. ALL CHECKED GOOD, OK FOR SVC. SEE NON-ROUTINE CARD N29573 & CONT CARDS 46956 & 46957 FOR DETAILS.

Part: PUMP — FAILED (HYD SYSTEM) · airframe 28,313 hrs · 25,517 cycles

HYDRAULIC SYS 3 LOW PRESSURE ILLUMINATED DURING GEAR EXTENSION. EMERGENCY NON-NORMAL CHECK LIST PERFORMED. SYS 3 FLUID LEVEL AT 0, UNEVENTFUL LANDING. MANUAL LANDING GEAR EXTENSION PERFORMED, EMERGENCY DECLARED. COMPLIED WITH TECHNICAL SUPPLEMENT OEM-000121-2012. R & R HYD PUMP 3A & 3B IAW AMM 29-12-03, NO LEAKS FOUND AT THIS TIME.

Part: STARTER — FAILED (APU) · airframe 27,925 hrs · 25,137 cycles

AIR CREW REPORTED, APU HIGH EGT, RPM 6-7, FLAME ERUPTED OUT OF TAIL PIPE. R & R APU STARTER IAW AMM 49-41-07. OP CHECKED GOOD.

Part: SMOKE GOGGLES — MISSING (COCKPIT) · airframe 27,903 hrs · 25,111 cycles

OBSERVER SMOKE GOGGLES MISSING. REPLACED SMOKE GOGGLES IAW AMM 35-11-15.

Part: FRAME — CORRODED (BS 605) · corrosion level 2 · airframe 27,818 hrs · 25,028 cycles

MAINTENANCE FOUND CORROSION ON THE LOWER FRAME SECTOR AT FS 605 AS SHOWN IN FIG 1. THE MATERIAL LOSS AFTER BLENDING MEASURES A MAXIMUM OF .018" IN THE WEB OF THE FRAME AND .008" ON THE FLANGE. REPAIRED IAW EA CRJ253-01968A AND ASSOCIATED 8110-3.

Part: BULKHEAD — CRACKED (BS 621) · airframe 27,818 hrs · 25,028 cycles

FS 621 BULKHEAD FWD FACE AROUND LINTEL FITTING CRACKED. REPAIRED IAW REO 601R-53-61-1230.

Part: BULKHEAD — CHAFED (BS 621) · airframe 27,818 hrs · 25,028 cycles

FORWARD FACE OF BS 621 BULKHEAD HAS MULTIPLE SCREW CHAFES AND RIVET HEADS SCRATCHED. REPAIRED IAW REO 601R-53-61-2155.

Part: INDICATION SYS — FLUCTUATES (COCKPIT) · airframe 27,222 hrs · 25,450 cycles

ON FINAL WITH FLAPS SET TO 45 DEG THE ED1 FLAP INDICATOR FLUCTUATED BETWEEN 43 DEG AND 45 DEG. THE F/CTL SNOPTIC PAGE SHOWED THE LT FLAP AT 43 DEG AND THE RT FLAP AT 45 DEG. NO ADVERSE FLIGHT CHARACTERISTICS WERE NOTED. PERFORMED FLAP POSITION TRANSMITTER TEST IAW AMM 27-55-01. AT FLAPS 45 ALLOWED RANGE IS 42.8 TO 47.5 DEGREES, FOUND WITHIN RANGE.

Part: LIFE VEST — UNSERVICEABLE (CABIN) · airframe 26,943 hrs · 24,182 cycles

FLIGHT ATTENDANT LIFE VEST TORN. REMOVED AND REPLACED FLIGHT ATTENDANT LIFE VEST IAW AMM 25-61-03.

Part: STRAP — BROKEN (FLASHLIGHT ASSY) · airframe 25,847 hrs · 23,098 cycles

FLIGHT ATTENDANT FLASHLIGHT SEAL IS BROKEN. REMOVED AND REPLACED FLIGHT ATTENDANT FLASHLIGHT HOLDER STRAP.

Part: CHARGER — INOPERATIVE (EMERGENCY LIGHTS) · airframe 25,833 hrs · 23,086 cycles

FORWARD EXTERIOR EMERGENCY LIGHT SERVICE EXIT AND PASSENGER EXIT INOPERATIVE. TROUBLESHOOT TO CHARGER. REMOVED AND REPLACED NR 1 EMERGENCY LIGHT CHARGER. OPS CHECKED GOOD IAW 33-50-00. OK FOR SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 25,573 hrs · 22,825 cycles

MAIN CABIN DOOR EXTERIOR EMERGENCY EXIT LIGHT INOPERATIVE.

Part: CONTROL PANEL — FAILED (AILERON TRIM) · airframe 25,520 hrs · 22,768 cycles

AILERON TRIM STUCK, WILL NOT MOVE IN EITHER DIRECTION. REMOVED AND REPLACED AILERON/RUDDER TRIM CONTROL PANEL IAW AMM 27-12-10. OPS CHECKED GOOD.

Part: BULB — INOPERATIVE (EMERGENCY LIGHTS) · airframe 25,384 hrs · 22,628 cycles

LEFT AFT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED LIGHT BULB IAW AMM 33-51-21. OPS CHECKS GOOD.

Part: SKIN — GOUGED (LT WING) · airframe 25,292 hrs · 22,541 cycles

LEFT WING LOWER PLANK FUEL TANK ACCESS DOOR CUTOUT IS GOUGED IN TWO PLACES AT WS 136.676, 0.006 INCH DEEP IN THE CRITICAL AREA AT HOLE NR 8. REPAIRED IAW REO 601R-57-21-030.

Part: VANE — CHAFED (LT WNG TE FLAP) · airframe 25,292 hrs · 22,541 cycles

LEFT INBOARD FLAP VANE ACTUATOR CHAFED 0.2 INCHES BY 0.050 INCHES BY 0.002 INCH DEEP AND 0.25 INCH BY 0.1 INCH BY 0.003 INCH DEEP. REPAIRED IAW REO 601R-57-52-1920.

Part: THERMAL SWITCH — DEFECTIVE (RT WING) · airframe 24,903 hrs · 22,176 cycles

ABORTED T/O AFTER DEPARTURE ON CLIMBOUT WING OVERHEAT MASTER WARNING IN STBY MODE (RIGHT WING). RETURNED TO DTW. REMOVED AND REPLACED RT WING BACKUP OVHT THERMAL SW, SYSTEM OPC GOOD IAW CRJ 200 AMM 30-12-16. A/C OK FOR SVC.

Part: THERMAL SWITCH — DEFECTIVE (RT WING) · airframe 24,900 hrs · 22,173 cycles

AIR RETURN FOR WING OVERHEAT MASTER WARNING IN STBY MODE (RIGHT WING). RETURNED TO DTW. REMOVED AND REPLACED RT WING BACKUP OVHT THERMAL SWITCH. SYSTEM OPS CHECK GOOD IAW AMM 30-12-16. A/C OK FOR SERVICE.

Part: BATTERY — DISCHARGED (FLASHLIGHT) · airframe 24,714 hrs · 21,988 cycles

CAPT FLASHLIGHT NOT BLINKING. REMOVED AND REPLACED CAPT FLASHLIGHT BATTERY IAW AMM 25-60-00.

Part: TRANSMITTER — FAULTY (TE FLAP) · airframe 24,701 hrs · 21,977 cycles

UNSCHEDULED LANDING FOR MULTIPLE INDICATIONS STARTING WITH SPEED SNAKE COVERING ENTIRE SCREEN AT 300 KIAS, THE FLAPS GOING OUT AND IN SEVERAL TIMES, SOMETIMES ONE SIDE (L) OR BOTH SPOILERS CAME IN AND OUT SOMETIMES ALT 4. (?UNREADABLE?). THEN L WINDSHIELD MSG THEN FLAPS DEGRADE. REMOVED AND REPLACED BOTH FLAP TRANSMITTERS IAW AMM 27-55-01, OPS CHECKED GOOD SEVERAL TIMES IAW AMM 27-55-01-710-801, OK FOR SERVICE NO FAULTS NOTED.

Part: ECU — MALFUNCTIONED (TE FLAP) · airframe 24,697 hrs · 21,973 cycles

UNSCHEDULED LANDING. LEVEL OFF AT FL300: FLAPS EXTENDED ON THEIR OWN FLUCTUATING BTW 2 DEG AND 20 DEG MONENTARY HYD PUMP 2B CAUTION, THEN FLAPS DEGRADED STATUS MSG. T/S PER FIM 27-50-00 FROM PAGE 107, FLAPS DEGRADED. CHECKED SDU FOR FAULT, NO FAULT FOUND. INTERREGATED FECU AND RECORDED CODE. MOST PROBABLE CAUSES 1-FECU, 2-RIGHT MOTOR BRAKE, 3-WIRING , 1-11-12A, 1-11-2B 1-15-2A, 1-15-2B. VISUAL INSPECTED FLEX SHAFTS FOR TWISTS, NO DEFECTS FOUND. TEST FLAPS SYSTEM COMPONENTS ALL CHECKED GOOD. REMOVED AND REPLACED FECU PER AMM 27-51-05 OPS CHECKED NORMAL. A/C OK FOR SVC.

Part: CHARGER — DEFECTIVE (CABIN) · airframe 24,424 hrs · 21,767 cycles

LT/RT CENTER EXTERIOR EMERGENCY LIGHTS INOP. REMOVED AND REPLACED NR 3 EMERGENCY LIGHT BATTERY. NO FIX. REMOVED AND REPLACED BATTERY CHARGER ASSY NR 3 PER CRJ 200 AMM REF 33-51-05. PERFORMED OPS CHECK PER AMM REF 33-51-04. OPS CHECK GOOD. VERIFIED PARTS EFFECTIVITY.

Part: FIRE LOOP — DIRTY (RT ENGINE) · airframe 24,265 hrs · 21,555 cycles

WING OVHT MASTER WARNING WHILE OPERATING IN "STBY" MODE PER MEL (RIGHTSIDE) MESSAGE CAME ON 3X DURING CLIMBOUT ONLY OPERATED NORMALLY ON GROUND LEVEL FLIGHT. CLEANED RT ENG LOOPS AND ENSURED NO OBSTRUCTIONS WERE PRESENT. INSPECTED FOR DAMAGE, NONE FOUND. PERFORMED OPS CHECK.

Part: RETAINING NUT — LOOSE (CONTROL WHEEL) · airframe 24,232 hrs · 21,523 cycles

FLIGHT CONTROLS NOT RETURNING TO NEUTRAL DURING FLIGHT CONTROL CHECK AILERON CONTROL WHEEL IS BINDING. RE-TORQUED RETAINING NUTS IN AILERON CONTROL WHEEL IAW PA 27-066D, OPC GOOD. OK FOR SERVICE.

Part: CONTROL SWITCH — BROKEN (ANTI-ICE SYS) · airframe 24,221 hrs · 21,511 cycles

ON DEPT, REC'D THE LEFT WING OVERHEAT DURING CLIMBOUT. FOLLOWED QRH. FROM THEN ON, LT WING ANTI-ICE WAS EXTREMELY SLOW TO HEAT. FOUND BROKEN TANG IN WING A/I CTL SWITCH. REMOVED AND REPLACED SW & OP CHECK GOOD IAW AMM 30-12-00. PARTS EFFECTIVITY VERIFIED.

Part: SHUTOFF VALVE — FAULTY (ANTI-ICE SYS) · airframe 24,221 hrs · 21,511 cycles

WING OVHT WARNING MESSAGE IN FLIGHT WHILE OPERATING IN STBY MODE IN ACCORDANCE WITH MEL 30-12-31. REMOVED AND REPLACED RT 14TH STAGE BLEED AIR SOV IAW AMM 30-12-04. OP CHECK OF WING OVHT WARNING SYS GOOD IAW AMM 30-12-00. VERIFIED PART EFFECTIVITY. OK FOR SERVICE.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 24,133 hrs · 21,424 cycles

RT WING LOWER PLANK FUEL ACCESS CUTOUT HOLE NR 1 AT WS 54.897 HAS MINOR CORROSION IN THE NON-CRITICAL AREA. CORROSION APPROX 4.5 W X .002 D. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 24,133 hrs · 21,424 cycles

RT WING LOWER PLANK FUEL ACCESS CUTOUT HOLE NR 1 AT WS 54.897 HAS MINOR CORROSION IN THE NON-CRITICAL AREA. CORROSION APPROX 4.5W X .002D. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 24,133 hrs · 21,424 cycles

RT PRESSURE FLOOR SILL HAS 2 AREAS OF CORROSION AT FS 508 & FS 516. REPAIRED IAW BOMBARDIER REO 601R-53-41-666.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 24,133 hrs · 21,424 cycles

FS 280 AFT "J" ANGLE CORRODED BETWEEN LBL 9 AND RBL 9. REPAIRED FS 280.00 AFT J-ANGLE IAW BOMBARDIER REO 601R-53-11-926 AND BOMBARDIER SERVICE CORPORATION STANDARD REPAIR 601R-53-0110.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 24,133 hrs · 21,424 cycles

FS 280 FWD "J" ANGLE CORRODED BETWEEN LBL 9 AND RBL 9. REPAIRED IAW SRM 51-40-11, 51-42-06, 51-21-11, 51-23-00.

Part: BULKHEAD — GOUGED (FUSELAGE) · airframe 24,133 hrs · 21,424 cycles

REAR PRESSURE BULKHEAD AT FS 621 LBL 14 & 23, 3.0" UP FROM FLOOR, BULKHEAD GOUGED FROM SCREW APPROX .250 X .020 AND .015. REPAIRED IAW BOMBARDIER REO 601R-53-61 4208.

Part: BULKHEAD — GOUGED (FUSELAGE) · airframe 24,133 hrs · 21,424 cycles

AFT FUSELAGE PRESSURE BULKHEAD AT FS 621 RBL 42.0 & 3.0" UP FROM FLOOR, BULKHEAD GOUGED FROM SCREW .250 X .035 DEEP. REPAIRED IAW BOMBARDIER REO 601R--53-61 4208.

Part: ENGINE — MALFUNCTIONED (LEFT) · airframe 23,656 hrs · 20,961 cycles

LT ENGINE OIL PRESS FLUX. REMOVED AND REPLACED LT ENGINE IAW CRJ AMM 71-00-00, OP CHECK GOOD. OK FOR SERVICE.

Part: SCAVENGE PUMP — MALFUNCTIONED (NR 1 ENGINE) · airframe 23,654 hrs · 20,956 cycles

NR 1 ENGINE OIL WARNING MESSAGE. REMOVED AND REPLACED LUBE AND SCAVENGE PUMP IAW AMM 79-21-01.

Part: STRUCTURE — DAMAGED (AILERON) · airframe 22,157 hrs · 19,574 cycles

LEFT AND RIGHT AILERON STATIC DISCHARGE BASES AT WS 370.7 WERE FOUND WITH CRACKING. THE LEFT AILERON DAMAGE IS ON BOTH THE INBOARD AND OUTBOARD FACES WITH CRACK LENGTHS OF 0.406 INCH (OUTBOARD) AND 0.375 INCH (INBOARD). THE RIGHT AILERON BASE ONLY HAS CRACKING ON THE INBOARD FACE WITH THE DAMAGE MEASURING 0.343 INCH IN THE FORWARD / AFT DIRECTION. INTERIM REPAIR INSPECTION IAW STS ENGINEERING EA 5-2010-200 WITH FLY ON FOR 500 FH WITHIN WHICH TIME STATIC DISCHARGE BASES MUST BE REPLACED.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 22,010 hrs · 19,426 cycles

GEAR DISAGREE ON APPROACH NOSE - GREEN BOTH MAINS RED. C/W GEAR SWING AND PA#05-018A, NO DEFECTS NOTED. OK FOR SERVICE.

Part: RVDT — MALFUNCTIONED (NLG STEERING) · airframe 21,437 hrs · 18,904 cycles

NOSE WHEEL STEERING MESSAGE DURING CRUISE. FOLLOWED QRH AND RETURNED TO DTW. MAINTENANCE REMOVED AND REPLACED THE LT RVDT IAW AMM 32-51-20.

Part: WARNING LIGHT — ILLUMINATED (MLG) · airframe 10,785 hrs · 9,653 cycles

GEAR DISAGREE WARNING MESSAGE AND GEAR DISAGREE AURAL WARNING AFTER TAKEOFF. PERFORMED QUICK REFERENCE HANDBOOK (QRH) AND WAS SUCCESSFUL ON LANDING GEAR DOWN. RETURNED TO AIRPORT, LANDING UNEVENTFUL.

Part: PLUG — LEAKING (ACCESSORY G/B)

WHEN POWER WAS REDUCED ON FINAL APPROACH, THE RT ENGINE OIL PRESSURE WARNING ILLUMINATED. THE FLIGHT CREW DECLARED AN EMERGENCY AND SHUTDOWN RT ENGINE USING THE APPROVED CHECKLIST. AN OTHERWISE UNEVENTFUL LANDING WAS MADE. MAINTENANCE FOUND THE ACCESSORY GEARBOX DRIVE PLUG LEAKING. NEW PLUG AND O-RING WAS INSTALLED. THE ENGINE WAS SERVICED WITH OIL AND GROUND LEAK CHECKED WITH NO FURTHER LEAKAGE.

Part: HOSE — RUPTURED

OBSERVER SEAT POSITION OXYGEN MASK SUPPLY HOSE RUPTURED AND SEPARATED FROM FITTING. REMOVED AND REPLACED HOSE. THIS WAS FOUND WHILE INVESTIGATING A DEPLETED CREW OXYGEN SYSTEM. (M)

Part: HOSE — RUPTURED (COCKPIT)

OBSERVER SEAT POSITION OXYGEN MASK SUPPLY HOSE RUPTURED AND SEPARATED FROM FITTING. REMOVED AND REPLACED HOSE. THIS WAS FOUND WHILE INVESTIGATING A DEPLETED CREW OXYGEN SYSTEM. (M)