N8412F

Part: PACKING — DAMAGED (HYDRAULIC SYS) · airframe 30,275 hrs · 27,814 cycles

TASK CARD 900-53-900-504 2 LT, 4 RT, 6 TOTAL RUBBER DECOMPRESSION PANEL BETWEEN FS 280.00 & FS 477.40 ARE TORN. UPON GEAR RETRACTION RECEIVED NR 3 HYD CAUTION FOLLOWED BY GEAR DISAGREE WARNING HYD NR 3 WAS SHOWING BOTH PUMPS OFF, YELLOW FLOW LINES & 100% CAPACITY. BOTH SYSTEMS CORRECTED THEMSELVES DURING OUR QRH PROCEDURE. TROUBLE SHOT REVEALED NR 3 BRAKE ACCUMULATOR LOW, SUSPECT GAS LEAKING INTO SYS. R & R ACCUMULATOR IAW AMM 29-12-03. LEAK & OPERATIONS CHECKED GOOD. FURTHER TROUBLESHOOTING REVEALED DAMAGED PACKING ON HYD 3A ACMP INLET PORT, EXCHANGING AIR & FLUID. R & R PACKING IAW AMM 29-12-03. OPERATION CHECK & LEAK CHECKED GOOD, GEAR SWING IAW AMM 32-30-00 COULD NOT DUPLICATE DISC. ACFT OK FOR SERVICE. R & R NR 3 BRAKE ACCUMULATOR IAW AMM 29-12-03. R & R 3A ACMP INLET PORT PACKING IAW AMM 29-12-03. GEAR SWING IAW AMM 32-30-00. OPERATIONS CHECKED GOOD.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 30,071 hrs · 27,615 cycles

EMERGENCY FLOOR LIGHTS MID CABIN INOPERATIVE. WALL EMER EXIT LIGHT AT 8D INOPERATIVE. REPLACED EMER LIGHTING INVERTER NR 3 IAW AMM 33-51-07. OPERATIONS CHECKED GOOD. REFERENCE WORK CARD 54556 FOR DETAILS.

Part: CONNECTOR — DISCONNECTED (CABIN) · airframe 29,991 hrs · 27,534 cycles

EMERGENCY FLOOR LIGHTING IN CTR OF ACFT INOPERATIVE. TROUBLESHOOTING REVEALED AFT CONNECTION OF RT OVERWING EMER FLOOR TRACK LIGHTS DISCONNECTED. RESTORED CONNECTION & OPERATIONS CHECKED IAW AMM 33-51-01. OPERATIONS CHECKED GOOD, ACFT OK FOR SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 29,964 hrs · 27,504 cycles

EMERGENCY LIGHT ON PA PANEL INT. RELAMPED & OPERATIONS CHECKED GOOD IAW AMM 31-11-00.

Part: SMOKE GOGGLES — BROKEN (COCKPIT) · airframe 29,551 hrs · 27,083 cycles

CAPTAIN`S SMOKE GOGGLES BROKEN. R & R CAPTAIN'S SMOKE GOGGLES IAW AMM 35-11-12. OK FOR SERVICE.

Part: CHECK VALVE — FAULTY (NLG STRUT) · airframe 29,189 hrs · 26,728 cycles

GEAR DISAGREE WARNING MSG ON RETRACTION NOSE GEAR NOT RETRACTING. PERFORMED SERVICING OG NLG SHOCK STRUT IAW 12-12-610-803 WITH FLUSHING OUT SHOCK STRUT. R & R CHECK VLV ON NOSE STRUT IAW AMM 32-21-01. PERFORMED LG EXT & RETRACTION SEVERAL TIMES IAW AMM 32-30-00-710-802. CHECKED GAPS ON PROXIMITY SENSORS ON NLG ASSEMBLY IAW AMM 32-61-05 WITH NO DEFECTS NOTED & NO LEAKS NOTED. ACFT IS READY FOR AIRWORTHY SERVICE. THIS CLEARS DEF 003329-2014.

Part: BULB — INOPERATIVE (CALL LIGHT) · airframe 29,054 hrs · 26,602 cycles

PASSENGER CALL LIGHT IN THE OVERHEAD EMERGENCY EXIT SIGN OVER ROW 8 IS INOPERATIVE. THE REAR LIGHT IS INOPERATIVE, THE FWD LIGHT IS FUNCTIONING PROPERLY. REPLACED BULB. OPS TESTED OK IAW AMM 33-22-03.

Part: PROXIMITY SWITCH — OUT OF ADJUST (LT MLG UPLOCK) · airframe 28,200 hrs · 25,776 cycles

GEAR DISAGREE ON RETRACTION AFTER TAKEOFF. RT MLG WOULD NOT LOCK UP. C/W PA 05-018K SCENARIO 1. ADJUSTED RT MLG UPLOCK PROXIMITY SWITCH IAW AMM 32-61-05. VERIFIED CORRECT RIG OF LT MLG UPLOCK PROXIMITY SWITCH IAW AMM 32-61-05. PERFORMED EXT/RETRACTION. OPS CHECK OF LANDING GEAR IAW AMM 32-30-00. NO FAULTS FOUND, OP CHECKED GOOD.

Part: TRANSPONDER — INOPERATIVE (NR 2) · airframe 28,160 hrs · 25,738 cycles

NR 2 TRANSPONDER IS INOPERATIVE.

Part: FRAME — CORRODED (BS 319.7) · corrosion level 2 · airframe 27,869 hrs · 25,457 cycles

MX FOUND CORROSION TO THE LOWER SECTOR OF THE FRAME AT FS 319.7 BETWEEN S26R AND S26L. REPAIRED IAW EA CRJ253-01691.

Part: SKIN — GOUGED (BS 633) · airframe 27,869 hrs · 25,457 cycles

MX FOUND A GOUGE IN THE FUSELAGE SKIN AT FS 633 S20L. GOUGE BLENDED.

Part: SMOKE GOGGLES — CRACKED (COCKPIT) · airframe 27,858 hrs · 25,445 cycles

F/O'S SMOKE GOGGLES CRACKED. R & R F/O'S SMOKE GOGGLES IAW AMM 25-20-01.

Part: OXYGEN MASK — INOPERATIVE (COCKPIT) · airframe 27,778 hrs · 25,365 cycles

OBSERVER O2 MASK, INOPERABLE.

Part: OXYGEN MASK — DEFECTIVE (COCKPIT) · airframe 27,773 hrs · 25,361 cycles

OBSERVER O2 MASK DOES NOT INFLATE, TEST PROPERLY.

Part: SMOKE GOGGLES — BROKEN (COCKPIT) · airframe 27,760 hrs · 25,349 cycles

CAPTAIN SMOKE GOGGLE BROKEN. REMOVED & REPLACED CAPTAIN SMOKE GOGGLES IAW CRJ200 AMM 35-11-12. OK FOR SERVICE.

Part: FLAP — MALFUNCTIONED (WING) · airframe 27,659 hrs · 25,256 cycles

FLAPS FAIL AT 45 UPON RETRACTION AFTER LANDING, FLAP LEVER POSTION AT 45 AT FAILURE. AIRSPEED=0KTS OAT= 22. PERFORMED OPERATIONS CHECK OF FECU IAW AMM 27-51-05 & SKEW DETECTION SYS IAW AMM 27-51-15. OPERATIONS CHECK GOOD. CYCLED FLAPS MESSAGE CLEARED. OPERATIONS CHECK GOOD. NO FURTHER MESSAGE NOTED.

Part: FLAP — FAILED (WING) · airframe 27,647 hrs · 25,246 cycles

FLAP FAIL UPON LANDING. CREW REPORTED FLAPS FAIL AT 4S DEGREES UPON RETRACTION AFTER LANDING FLAP LEVER POSITION AT 45 AT FAILURE AIRSPEED=0KTS OAT=22 DEGREES C. CREW DID NOT DECLARE EMERGENCY. "

Part: WIRE — BROKEN (CABIN) · airframe 27,445 hrs · 25,054 cycles

BOTH EMERGENCY LIGHTS INOP. FOUND GROUND WIRES DISCONNECTED AND BROKEN WIRE. REPAIRED BROKEN WIRE TO SPLICE IAW ESPM 20-16-00. RE-INSTALLED GROUND WIRES TO TERMINAL LUG IAW ESPM 20-20-00. OPS CHECK GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 27,113 hrs · 24,715 cycles

3RD EMERGENCY FLOOD LIGHT IN CABIN INOPERABLE. REMOVED AND REPLACED 3RD EMERGENCY FLOOD LIGHT BULB. OPS CHECK GOOD.

Part: FLAP SYSTEM — MALFUNCTIONED · airframe 26,452 hrs · 24,056 cycles

FLIGHT 4239, HAD A FLAPS FAIL ON APPROACH WHEN THE FLAPS REACHED 45 DEGREES. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 39 IAW AD 2009-06-12 PARAGRAPH (H) (6) (1) AMOC DATED MARCH 27TH 2009 TR NR 12-012 PER AMOC DATED DECEMBER 18 2009 AND PAAD27-052G. REMOVED AND REPLACE RIGHT OUTBOUND BPSU IAW AMM 27-51-10. ALSO FOUND FLEXSHAFT SHEARED BETWEEN NR 3 AND NR 4 ACTUATOR. REMOVED AND REPLACED FLEXSHAFT IAW AMM 27-53-10. OPS CHECKS GOOD. THIS AIRCRAFT IS OK FOR SERVICE.

Part: TRACK — CRACKED (CARGO BAY) · airframe 25,999 hrs · 23,615 cycles

CRACK FOUND AT TOP OF AFT CARGO DOOR TRACK, MEASURING 1.5" LONG. REPAIRED IAW BOMBARDIER REO 601R-53-61-1541.

Part: LIGHT — DISCONNECTED (CABIN) · airframe 25,970 hrs · 23,587 cycles

EMERGENCY LIGHTS FLOOR STRIPS OUT AFT OF EMERGENCY EXIT. RECONNECTED FLOOR EMERGENCY LIGHTS IAW CRJ 200 AMM CH 33-51-01.

Part: CONNECTOR — DISCONNECTED (CABIN) · airframe 25,662 hrs · 23,282 cycles

EMERGENCY LIGHTS INOP FROM ROW 8 AFT. RECONNECTED FLOOR LIGHT CONNECTOR AT LAV AND OPS CHECK IAW AMM 33-51-01, NO DEFECTS NOTED. OK FOR SERVICE.

Part: UNKNOWN — MALFUNCTIONED (AILERON) · airframe 25,572 hrs · 23,194 cycles

AILERON TRIM FUNCTIONS IN ONE DIRECTION ONLY, CENTERED. OPS CHECKED GOOD IAW AMM.

Part: CONNECTOR — DEFECTIVE (CABIN) · airframe 25,549 hrs · 23,172 cycles

CENTER EMERGENCY FLOOR LIGHTING INOP. REPLACED CENTER EMERGENCY FLOOR LIGHT STRIP CONNECTOR IAW CRJ200 AMM 33-51-01. OPS CHECK GOOD.

Part: BRACKET — BENT (NLG) · airframe 25,058 hrs · 22,729 cycles

NOSE GEAR DISAGREE UPON GEAR RETRACTION. NOSE INDICATION STAYED GREEN DURING ENTIRE EVENT. FOUND NLG OLEO EXTENSION PROX SWITCH BRACKET BENT, SWITCH TO TARGET CLEARANCE OUT OF LIMITS. REMOVED AND REPLACED SWITCH BRACKET IAW CMM 32-20-04. SEE AML 2152304 FOR COMPLIANCE OF ADDITIONAL GEAR DISAGREE EVENT PROCEDURES. PSEU CODES AS FOLLOWS, S23DN FAR, S21DN NEAR S35DN NEAR ,S22DN FAR , S30DN FAR, S31DN FAR S32DN FAR, DIDN ON, DI 15DN ON. PERFORMED GEAR SWING (EXTENSION AND RETRACTION OP CHECK) IAW AMM 32-30-00. OP CHECKS GOOD. OK FOR SERVICE. COMPLIED WITH PA-05-018B.

Part: SPOILER — DEPLOYED (WING) · airframe 24,756 hrs · 22,394 cycles

GROUND SPOILER DEPLOYED. PERFORMED OPS CHECK OF SPOILERS IAW 27-61-00. OPS CHECK GOOD. OK FOR SERVICE.

Part: CROSSBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

RIGHT END OF FS 349 CROSSBEAM CORRODED ON O/B END AT SERVICE DOOR ENTRANCE. REPAIRED IAW BOMBARDIER REO 601R-53-21-1320.

Part: SILL — CORRODED (FUSELAGE) · airframe 24,382 hrs · 22,073 cycles

LT CABIN PRESSURE FLOOR SILL ASSY HAS AREAS OF CORROSION BETWEEN FS 409+128 AND FS 559. REPAIRED IAW REO 601R-53-41-666.

Part: SKIN — DENTED (TE FLAP) · airframe 24,382 hrs · 22,073 cycles

LEFT I/B FLAP UPPER SKIN DENTED. REPAIRED IAW SRM 57-52-00 REPAIR 3.

Part: BULKHEAD — CHAFED (FUSELAGE) · airframe 24,382 hrs · 22,073 cycles

FS 621 PRESSURE BULKHEAD FWD FACE IS CHAFED IN 5 PLACES APPROX 3FT ABOVE THE FLOOR, SOME HAVE BEEN PREVIOUSLY BLENDED. REPAIRED IAW BOMBARDIER REO REO 601R-53-61-2155.

Part: SKIN — CORRODED (LT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

LEFT WING LOWER PLANK FUEL ACCESS HOLE AT WS 54.897 HOLE NR 1 HAS PITTING CORROSION ON I/B EDGE OF CUTOUT IN SEVERAL AREAS MEASURING APPROX .035L, .035W, .002 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

RIGHT WING LOWER PLANK FUEL ACCESS HOLE AT WS 54.897 HOLE NR 1 HAS PITTING CORROSION ON O/B EDGE OF CUTOUT MEASURING APPROX .022L, .021W, .003 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

RIGHT WING LOWER PLANK FUEL ACCESS HOLE AT WS 230.415 HOLE NR 12 HAS PITTING CORROSION ON O/B EDGE OF CUTOUT MEASURING APPROX .028L, .030W, .002 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (LT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

LEFT WING LOWER PLANK FUEL ACCESS HOLE AT WS 95.950 HOLE NR 6 HAS PITTING CORROSION ON I/B EDGE OF CUTOUT MEASURING APPROX .041L, .018W, .002 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (LT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

LEFT WING LOWER PLANK FUEL ACCESS HOLE AT WS 249.048 HOLE NR 15 HAS PITTING CORROSION ON I/B EDGE OF CUTOUT MEASURING APPROX .065L, .050W, .002 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 24,382 hrs · 22,073 cycles

RIGHT WING LOWER PLANK FUEL ACCESS HOLE AT WS 188.040 HOLE NR 10 HAS PITTING CORROSION ON I/B EDGE OF CUTOUT MEASURING APPROX .018L, .020W, .002 DEEP IN A NON CRITICAL REGION. REPAIRED IAW BOMBARDIER REO 601R-57-21-030 REV H.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 24,344 hrs · 22,006 cycles

REF DM 45662, MLG EXTENSION / RETRACTION PERFORMED GEAR SWING AND PA 05-018A, CHECKS GOOD. THIS CLEARS DM 45662 PLACARD REMOVED.

Part: A/C PACK — MALFUNCTIONED (LEFT) · airframe 23,945 hrs · 21,636 cycles

CREW REPORTED LT PACK HI TEMP - SMOKE SMELL DEFERRED LT PACK PER MEL 21-51-11. VERIFIED WITH MX THE LT PACK WAS THE SOURCE OF THE SMOKE SMELL.

Part: LANDING GEAR — MALFUNCTIONED · airframe 23,935 hrs · 21,623 cycles

GEAR DISAGREE MSG WHEN GEAR SELECTED DOWN GEAR CYCLED 3 TIMES COULD NOT GET DOWN & LOCKED. MANUALLY EXTENDED LANDING GEAR AND GOT DOWN & LOCKED WITH 3 GEAR WO 308909 ON APPROACH INTO DTW. C/W PA 05-018A FOUND PSEU CODE TO BE DI 20 DOWN NEAR, S35 DOWN NEAR S21 NEAR S22 DOWN NEAR DI 09 FAR DI 11 DOWN NEAR PERFORMED OP CHECK GEAR RETRACTION IAW AMM 32-30-00 OP CHECK GOOD. OK FOR SERVICE. THIS CLEAR WO 308909 COMPLIED WITH PA05-018A.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 22,888 hrs · 20,627 cycles

FS 559.0 SEMI PRESSURE BULKHEAD HAS INDICATION OF CRACKS AT RBL 9.0 AND RBL 16.0. REPAIRED FS 559.0 BULKHEAD WEB LAW BOMBARDIER REO 601R-53-41-260 REV E, REO 601R-53-41-609 REV B, DEVIATION "C", BSC EO 601R-53-19687 AND BSC EO 601 R-53-19670.

Part: BEARING — CRACKED (ENGINE MOUNT) · airframe 21,760 hrs · 19,527 cycles

DURING ENGINE REMOVAL FOR 18K LLP SHOP VISIT, MAINTENANCE DISCOVERED WHAT APPEARED TO BE A CRACK IN A FORWARD ENGINE MOUNT YOKE BEARING. THE MOUNT YOKE WAS REMOVED FROM SERVICE AND SENT OUT FOR REPAIR. THE REPAIR VENDOR CONFIRMED THE BEARING RACE TO BE CRACKED. AIRLINE HAS REQUESTED THE BEARING BE RETURNED FOR ANALYSIS.

Part: BPSU — INOPERATIVE (TE FLAPS) · airframe 20,872 hrs · 18,660 cycles

FLIGHT 4106 MSP/MOT - ON APPROACH TO MOT, CREW RECEIVED A "FLAP FAILURE" MESSAGE. QRH FOLLOWED AND AIR RETUNED TO MSP. MAINTENANCE TROUBLESHOT SYSTEM AND FOUND THE BRAKE POSITION SENSING UNIT (BPSU) FAILED. BPSU REMOVED AND REPLACED AND FLAPS RIGGED PER AMM.

Part: BPSU — FAILED (TE FLAP) · airframe 20,762 hrs · 18,540 cycles

DTW/MEM FLAP FAILURE IN CRUISE QRH FOLLOWED DIVERTED WITH AN UNEVENTFUL LANDING. AIRCRAFT INSPECT AND FOUND THE RIGHT BPSU (BRAKE POSITION SENSING UNIT) FAILED. REMOVED AND REPLACED BPSU PER BOMBARDIER AMM.

Part: CLIP — CORRODED (FUSELAGE) · airframe 13,751 hrs · 12,551 cycles

CORROSION AT FS 319.70 FRAME TO FLOOR ATTACH CLIP. REMOVED AND REPLACED CORRODED CLIP IAW STRUCTURAL REPAIR MANUAL(SRM) 51-42-06, SRM 51-42-10, SRM 51-42-20, AND REPAIR ENGINEERING ORDER (REO)601R-53-21-682.

Part: ENGINE — BIRD INGESTION (LEFT) · airframe 13,369 hrs · 12,241 cycles

AFTER TAKEOFF AIRCRAFT SUSTAINED BIRD STRIKES LEFT SIDE. LEFT ENGINE SHOWED N1, ITT & VIBRATION FLUCTUATIONS. AN EMERGENCY DECLARED. VECTORS RECEIVED FOR RETURN TO DTW. FLIGHT CREW REQUESTED CFR BE STANDING BY. ENGINE WAS STILL PRODUCING SOME THRUST, FLIGHT CREW ELECTED NOT TO PERFORM AN INFLIGHT SHUTDOWN. UNEVENTFUL LANDING MADE AT DTW. AFTER BEING CLEARED BY CFR, THE AIRCRAFT WAS TAXIED TO THE GATE. MAINTENANCE BORESCOPED THE CORE OF THE ENGINE AND FOUND NO DAMAGE. HOWEVER, 10 FAN BLADES WERE REPLACED. THE ENGINE WAS GROUND RUN AND ALL PARAMETERS WERE NORMAL. DUE TO SOME MINOR DAMAGE TO SEVERAL FAN STATOR SPACERS, THE AIRCRAFT WAS FERRIED TO TYS FOR FURTHER MAINTENANCE. REPAIRED & RELEASED.

Part: FLAP — OUT OF RIG (WING)

FLAPS FAIL ON LANDING. SYSTEM RE-RIGGED IAW AMM 27-54-00, OPERATIONALLY CHECKED GOOD.

Part: POTENTIOMETER — OUT OF RIG (TE FLAPS) · airframe 9,923 hrs

FLAP FAILURE ON APPROACH, QRH FOLLOWED UNEVENTFUL LANDING. PERFORMED RIGGING OF FLAP POTENTIOMETERS AND BPSU IAW AMM 27.

Part: PUMP — MALFUNCTIONED (NR 2 ENGINE)

DURING CRUISE AT FL270, CREW RECEIVED A NR 2 HYDRAULIC HI TEMP CAUTION ON EICAS. SECONDARY INDICATIONS ON THE SYNOPTIC PAGE REVEALED NR 2 SYSTEM PRESSURE WAS A 3600 PSI AND THE TEMPERATURE OF THE NR 2 ENGINE DRIVEN HYDRAULIC PUMP WAS RAPIDLY CLIMBING. RETARDING THE NR 2 ENGINE POWER LEVER DECREASED THE TEMPERATURE AND PRESSURE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED AT THE NEAREST SUITABLE AIRPORT WITHOUT FURTHER INCIDENT. THE NR 2 ENGINE DRIVEN HYDRAULIC PUMP WAS REMOVED AND REPLACED. AN OPERATIONAL CHECK OF THE NR 2 SYSTEM WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. (M)