N8525B

Part: SKIN — DENTED (BS 627-645) · airframe 27,471 hrs · 24,061 cycles

DURING ROUTINE LINE MAINTENANCE, FOUND FUSELAGE SKIN BETWEEN FS 627 AND 645 JUST BELOW S14R DENTED. THE SKIN AND UNDERLYING SKIN SPLICE WERE REPAIRED IAW EA CRJ253-02187B.

Part: CONTAINER — TORN (LIFE VEST) · airframe 26,704 hrs · 23,304 cycles

CO-PILOT'S LIFE VEST BAG TORN. R & R CO-PILOT LIFE VEST IAW AMM 25-61-03.

Part: SMOKE GOGGLES — BROKEN (COCKPIT) · airframe 26,377 hrs · 22,986 cycles

CAPTAIN SMOKE GOOGLES BROKEN. R & R CAPTAIN SMOKE GOGGLES IAW AMM 25-26-00. OK FOR SERVICE.

Part: BRACKET — BENT (NLG) · airframe 25,975 hrs · 22,601 cycles

ON FLIGHT 3680 (MSP TO CVG) THE AIRCRAFT PERFORMED AN AIR RETURN FOR NOSE GEAR NOT RETRACTING. THE CREW FOLLOWED THE QRH PROCEDURES AND LANDED. THE NOSE LANDING GEAR PROXIMITY SENSOR BRACKET WAS FOUND BENT. THE STRUT ALSO REQUIRES SERVICING. REMOVED AND REPLACED NOSE CENTERING PROX SENSOR BRACKET.

Part: LIFE VEST — UNSERVICEABLE (COCKPIT) · airframe 25,790 hrs · 22,412 cycles

OBSERVERS LIFE VEST BAG TORN. REMOVED AND REPLACED OBSERVERS LIFE VEST IAW AMM 25-61-03.

Part: LIFE VEST — UNSERVICEABLE (CABIN) · airframe 25,742 hrs · 22,362 cycles

FLIGHT ATTENDANT LIFE VEST BAG TORN. REMOVED AND REPLACED FLIGHT ATTENDANT LIFE VEST IN ACCORDANCE WITH AMM 25-61-03.

Part: LIFE VEST — UNSERVICEABLE (CABIN) · airframe 25,742 hrs · 22,362 cycles

INFANT LIFE VEST BAG TORN. REMOVED AND REPLACED INFANT LIFE VEST IN ACCORDANCE WITH PA 25-096A.

Part: WARNING SYSTEM — FALSE ACTIVATION (HYDRAULIC SYS) · airframe 25,710 hrs · 22,334 cycles

ON FLIGHT 4142 (ORF TO JRK) ON EARLY CLIMBOUT FROM ORF <1000 FT CATUION MESSAGES HYD 3(B) HYD 3 LOW PRESS FOLLOWED BY WARNING MESSAGES NOSE DOOR OPEN AND GEAR DISAGREE. THEN THEY ALL WENT AWAY IN LESS THAN A MINUTE EVERYTHING NORMAL ON LANDING. PERFORMED ISOLATION CHECKS OF HYD 3A & HYD 3B PUMPS. .FOUND PUMPS TO BE WITHIN LIMITS PER FIM 32-60-09 SEE PG 2332037 ITEM 1 FOR NOSE GEAR DOOR OPEN, GEAR DISAGREE.

Part: PUMP — MALFUNCTIONED (HYDRAULIC SYS) · airframe 25,671 hrs · 22,298 cycles

ON FLIGHT 3583 (DTW TO LAN) AFTER TAKEOFF RETRACTED GEAR AND RECEIVED HYD 3 LO PRESS CAUTION AND GEAR DISAGREE MESSAGE. THE GEAR TOOK 45 SEC-1 MIN TO RETRACT WHICH TRIGGERED A GEAR DISAGREE WARNING HYD 3 QUANTITY AT 100%. NO EMERGENCY WAS DECLARED AND AIRCRAFT LANDED SAFELY. REMOVED AND REPLACED HYD SYSTEM 3 ACMP (BOTH A&B). ALSO REMOVED AND REPLACED NR 3A HYD CASE DRAIN FILTER. COMPLIED WITH PA 05-018J PER MOTR. SWUNG GEAR SEVERAL TIMES, ALL CHECKS GOOD. OPS CHECKS GOOD.

Part: PRIORITY VALVE — MALFUNCTIONED (MLG) · airframe 25,397 hrs · 22,022 cycles

AFTER TAKEOFF ON FLIGHT 4089, FROM YOW TO DTW, WHEN GEAR LEVER MOVED TO UP POSITION WE RECEIVED FIRST A HYDRAULICS 3 LOW PRESS CAUTION. THEN RECEIVED NOSE DOOR OPEN AND GEAR DISAGREE WARNING WITH BOTH MAIN GEAR INDICATING DISAGREE. AFTER 3-5 MINUTES ALL GEAR RETRACTED/NOSE DOOR CLOSED AND ALL CAUTIONS WARNINGS CLEARED. FLIGHT CONTINUED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. COMPLIED WITH PA 05-018 REV H SCENARIO 2. COMPLIED WITH PA 05-018H STEPS 1-9. COMPLIED WITH PA 05-018H STEPS 10-21 IAW. REMOVED AND REPLACED MAIN LANDING GEAR PRIORITY VALVE IAW AMM 32-33-15. OPS CHECK GOOD. REMOVED AND REPLACED HYDRAULICS NR 3 RESERVOIR IAW AMM 29-12-30. LEAK CHECK GOOD.

Part: CONTROL UNIT — FAILED (STAB) · airframe 24,867 hrs · 21,500 cycles

STABILIZER STATUS MESSAGE POSTED AFTER TAKEOFF. ENGAGED AND SHORTLY AFTER STAB TRIM/MACH TRIM CAUTION MESSAGED POSTED. RESET PER QRH, 60 SECONDS LATER STAB/MACH TRIM POSTED AGAIN. ONLY STAB 2 WAS ABLE TO BE ENGAGED. REMOVED AND REPLACED HSTCU IAW AMM 27-41-01. OPS CHECKS GOOD.

Part: LINE — DAMAGED (FUEL SYSTEM) · airframe 24,835 hrs · 21,471 cycles

FLIGHT 4419. RECEIVED FUEL IMBALANCE MESSAGE AND DIVERTED. REMOVED AND REPLACED FUEL LINE. LEAK CHECKED GOOD FIM 28-40-00.

Part: WARNING LIGHT — ILLUMINATED (HYD SYSTEM) · airframe 24,835 hrs · 21,471 cycles

AFTER TAKEOFF HAD HYDRAULIC SYSTEM 3, LOW PRESSURE CAUTION FOLLOWED BY GEAR DISAGREE. CREW SELECTED GEAR BACK DOWN AND RECEIVED THREE GREEN AND DIVERTED.

Part: FLOORBEAM — CRACKED (BS 280) · airframe 24,828 hrs · 21,465 cycles

FS 280 UPPER FLOORBEAM CAP ANGLE CRACKED AT LBL 9. REPAIRED IAW REO 601R-53-11-138.

Part: ANGLE — CRACKED (BS 280) · airframe 24,828 hrs · 21,465 cycles

FS 280 INBOARD ANGLE CRACKED AT RBL9. REPLACED IAW SRM 51-42-21/51-42-06.

Part: HINGE — DAMAGED (ELEVATOR) · airframe 24,828 hrs · 21,465 cycles

HORIZONTAL STAB RT ELEVATOR HINGE CTR HINGE FITTING GOUGED 0.274 INCH BY 0.081 INCH BY 0.011 INCH DEEP. RT ELEVATOR OTBD HINGE FITTING GOUGE 0.361 INCH BY 0.060 INCH BY 0.012 INCH DEEP. LT ELEV CTR HINGE FITTING GOUGED 0.34 INCH BY 0.071 INCH BY 0.007 INCH DEEP. REPAIRED IAW REO 601R-55-11-061.

Part: STIFFENER — CHAFED (BS 621 BULKHEAD) · airframe 24,828 hrs · 21,465 cycles

FS 621 BULKHEAD AFT VERTICAL STIFFENER AT BL0 CHAFED 0.050 INCH DEEP BY 0.4 INCH LONG. REPAIRED IAW BOMBARDIER REO 601R-53-61-1523 AND 601R-53-61-4565.

Part: ACCESS PANEL — CORRODED · corrosion level 2 · airframe 24,828 hrs · 21,465 cycles

WING LOWER PLANK FUEL TANK ACCESS DOOR CUTOUT HOLE CORROSION AT LEFT HOLE NR 14, 0.007 INCH, LEFT HOLE NR16, 0.003 INCH DEEP, RIGHT HOLE NR 16, 0.008 INCH. REPAIRED IAW REO 601R-57-21-030.

Part: LIFE VEST — DAMAGED (COCKPIT) · airframe 24,759 hrs · 21,397 cycles

OBSERVERS LIFE VEST HAS HOLE IN BAG. REMOVED AND REPLACED OBSERVERS LIFE VEST IAW AMM 25-61-03.

Part: FLAP — MALFUNCTIONED (WING) · airframe 24,220 hrs · 20,895 cycles

FLAPS FAILED IN-FLIGHT AT 30 DEGREES QRH COMPLETED. C/W PA AD 27-052 G FOUND CODES 1-30-BC & 1-31-BC WHICH POINTS TO FLAP CONTROL LEVEL, PERFORMED FLAP TEST OF CONTROL LEVER IAW FIM 27-50-00. ALL SYSTEMS PASSED TEST. A/C OK FOR SERVICE AT THIS TIME.

Part: COALESCER BAG — DIRTY (AC BAY) · airframe 24,177 hrs · 20,853 cycles

AIR RETURN FOR SMOKE IN TOILET. BOTH COALESCER SOCKS SMELL OILY. REMOVED AND REPLACED LT AND RT COALESCER SOCKS IAW AMM 21-51-13.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 24,158 hrs · 20,833 cycles

PERFORM GEAR DISAGREE EVENT PROCEDURES PER PA 05-018B. COMPLIED WITH PA05-018B GEAR DISAGREE EVENT PROCEDURES. OPS CHECK GOOD.

Part: PITOT TUBE — OBSTRUCTED (PITOT/STATIC SYS) · airframe 24,098 hrs · 20,773 cycles

HIGH SPEED ABORT DUE TO EFIS/COMPMON/ AIRSPEED AT 120KTS ALSO DURING ABORT A CINFIG SPOILERS WARN. C/W PITOT/ STATIC TEST IAW CRJ200 AMM 34-11-00. OPS CKD GOOD. A/C SAFE FOR FLIGHT. FOUND BUG IN PITOT TUBE.

Part: HYDRAULIC LINE — CHAFED (HYDRAULIC SYS) · airframe 23,803 hrs · 25,025 cycles

LOST HYDRAULIC PSI IN SYSTEM NR 3 AND DIVERTED TO TYS. EMERGENCY WAS DECLARED. FOUND HYD SYSTEM 3B PRESSURE LINE CHAFED THROUGH FAIRLEAD IN MLG BY AREA. REPAIRED LINE IAW AMM 20-22-00. LEAK CHECK GOOD. VERIFIED PART EFFECTIVITY. REMOVED AND REPLACED 3A & 3B ACMPS IAW AMM 29-12-03. LEAK AND OPS CHECK GOOD. REMOVED AND REPLACED RETURN MANIFOLD FILTER IAW AMM 29-12-40. LEAK CHECK GOOD. REMOVED AND REPLACED CASE DRAIN FILTER IAW AMM 29-12-38. LEAK CHECK GOOD. REMOVED AND REPLACED PRESSURE MANIFOLD FILTER IAW AMM 29-14-09. LEAK CHECK GOOD.

Part: ECU — DEFECTIVE (APU) · airframe 23,676 hrs · 20,349 cycles

ON LANDING ON BLEED TRANSFER TO APU, APU OVERTEMP WARNING. TROUBLESHOT PER FIM 49-10-00 FOUND ECU BAD. REMOVED AND REPLACED ECU IAW AMM 49-61-01, OP/C GOOD. VERIFIED PART EFFECTIVITY.

Part: SENSING ELEMENT — GROUNDED (BLEED AIR SYS) · airframe 23,508 hrs · 20,189 cycles

L 14TH DUCT FOUND HEAT SENSING ELEMENT AT CONNECTOR A47WK TO BE GROUNDING ON AIRFRAME. REROUTED, RESECURED ELEMENT AND OPS CHECKED IAW AMM 36-21-00. NO DEFECTS NOTED. OK FOR SERVICE. EMERGENCY WAS DECLARED.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 23,251 hrs · 19,943 cycles

F/O'S WINDSHIELD SHATTERED INFLIGHT. REMOVED AND REPLACED F/O'S WINDSHIELD.

Part: WARNING SYSTEM — ACTIVATED (ANTI-SKID SYS)

CREW DECLARED AN EMERGENCY INTO YUL DUE TO ANTI-SKID OUTBOARD CAUTION DEFERRED IAW MEL 32-44-01 AUTH 42551.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 22,123 hrs · 18,918 cycles

CRACK FOUND IN FS 559.00 PRESSURE BULKHEAD WEB. REPAIRED FS 559.00 BULKHEAD WEB LAW BOMBARDIER REO 601 R-53-41-260 REV E AND BOMBARDIER REO 601 R-53-41-609 REV B, DEVIATION "E".

Part: PLATE — CORRODED (PAX DOOR) · corrosion level 2 · airframe 22,123 hrs · 18,918 cycles

PASSENGER DOOR COUNTERBALANCE FORWARD AND AFT FITTING PLATES, P/N 600-38061-6 AND 600-38061-11, CORRODED. REMOVED AND REPLACED WITH SERVICEABLE PLATES P/N 600-38061-6 AND 600-38061-11 ON PAX DOOR FITTINGS IAW CRJ 200 AMM 20-21-00-910-801.

Part: SKIN — PUNCTURED (WING) · airframe 21,455 hrs · 18,305 cycles

UPON FUELING CENTER TANK, LEAK WAS FOUND FROM PUNCTURE IN LOWER WING SKIN BETWEEN FS 409+112 AND FS 409+128, WING STRINGER 25L AND 26L, LBL 7.2. PUNCTURE MEASURED 1.809 X 0.25 INCH. REPAIRED IAW REO 601R-57-11-047.

Part: PROXIMITY SWITCH — OUT OF ADJUST (NLG) · airframe 20,142 hrs · 17,115 cycles

AFTER TAKEOFF FROM DTW THE NOSE GEAR WOULD NOT RETRACT. PILOTS COORDINATED A LOW PASS "TOWER FLY BY" FOR ADDITIONAL VISUAL VERIFICATION OF THE LANDING GEAR. AN UNEVENTFUL LANDING BACK IN DTW AFTER 1 HOUR OF BURNING FUEL. LANDING BACK IN DTW WAS UNEVENTFUL, THE AIRCRAFT WAS WRITTEN UP AND TURNED OVER TO DTW MTX. DTW MTX SERVICED THE GEAR AND ADJUSTED THE NLG CENTERED / EXTEND PROX SWITCH AND PERFORMED GEAR SWINGS.

Part: STRUT — LOW (NLG) · airframe 20,109 hrs · 17,086 cycles

GEAR DISAGREE ON T/O MAINS UP NOSE DOWN WOW INPUT CAUTION WOW OUT PUT STATUS MSG. MTX SERVICED THE NOSE STRUT WITH OIL AND NITROGEN IAW AMM 12-12-32 AND PERFORMED GEARS WING IAW AMM 32-30-00 AND C/W PA 05-01 8A, ALL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: RVDT — MALFUNCTIONED (NLG)

ON CLIMB OUT GOING THROUGH FL270 RECEIVED A NOSE WHEEL STEERING INOPERATIVE CAUTION MASTER CAUTION. QRH FOLLOWED WITH NO FIX. WAS SCHEDULED FOR MEM ASKED FOR LONGEST RUNWAY. LANDING WAS UNEVENTFUL. TOWED TO GATE. R&R THE NOSE WHEEL STEERING RT STEERING RVDT ROTARY VARIABLE DIFFERENTIAL TRANSFORMER RIGGED STEERING PER BOMBARDIER AMM.

Part: SEAL — DETERIORATED (RT ENGINE) · airframe 11,603 hrs · 10,055 cycles

ON FINAL APPROACH INTO DTW THE ORAL WARNING -ENGINE OIL- WENT OFF FOLLOWED BY THE ILLUMINATION OF THE -R ENGINE OIL PRESSURE- MESSAGE. WHEN THE FLIGHT CREW REDUCED THE RIGHT HAND THRUST LEVER TO IDLE, THE ENGINE FLAMED OUT. THE CAPTAIN DECLARED AN EMERGENCY AND REQUESTED CFR. AN OTHERWISE NORMAL APPROACH AND LANDING WAS MADE AT DTW. MAINTENANCE FOUND THE LOW OIL PRESSURE TO BE DUE TO LOSS OF ENGINE OIL THROUGH THE ACCESSORY GEARBOX AXIS BB CARBON SEAL. A BORESCOPE INSPECTION WAS PERFORMED AND THE CARBON SEAL REPLACED. SUBSEQUENT GROUND RUNS WERE NORMAL AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: PROXIMITY SWITCH — LOOSE (MLG)

(REF NR: 05-092) GEAR DISAGREE WARNING AFTER TAKEOFF, DURING GEAR RETRACTION. RT MAIN SHOWS IN TRANSIT. FOLLOWED QRH WITH UNEVENTFUL LANDING. INTERROGATED PSEU, FOUND TARGET FOR RT MLG UPLOCK PROXIMITY SWITCH LOOSE. TIGHTENED TARGET IAW AMM AND PERFORMED GEAR SWING IAW AMM. OPS CHECK GOOD. (K)

Part: WARNING LIGHT — ILLUMINATED (MLG)

(REF NR: 05-088) GEAR DISAGREE WARNING MESSAGE AFTER TAKEOFF, DURING GEAR RETRACTION, FOLLOWED QRH WITH UNEVENTFUL LANDING. PERFORMED FUNCTIONAL TEST OF LANDING GEAR EXTENSION/ RETRACTION. OPS CHECK GOOD, OK FOR SERVICE. (K)

Part: ODOR — DETECTED (APU)

APU AUTO SHUTDOWN DURING CLIMB-OUT. PILOT ATTEMPTED TO RESTART APU. THIS START ATTEMPT RESULTED IN A STRONG FUEL SMELL IN THE CABIN AND COCKPIT. CREW REQUESTED AND WAS GRANTED PERMISSION TO RETURN TO DAYTON. AN OTHERWISE UNEVENTFUL LANDING WAS PERFRMED AT DAY. MAINTENANCE RAN AIRCRAFT TO POWRE WITH BOTH ECS SYSTEMS SET TO FULL HOT. NO FURTHER RESIDUAL ODOR OR FUMES WERE DETECTED. THE APU WAS DEFERRED PER THE MEL. (M)