N839AY

Part: PRIORITY VALVE — MALFUNCTIONED (NLG) · airframe 16,376 hrs · 14,391 cycles

ON FLIGHT 4320 FROM DTW THE CREW RECEIVED A NOSE DOOR OPEN WARNING WITH GEAR DISAGREE WARNING. AN AIR RETURN BACK TO DTW WAS PERFORMED FOR THESE WARNINGS. PERFORMED NOSE GEAR QRH PROCEDURE AND BOTH WARNINGS CLEARED. WEATHER PERMITTED DEFERRAL AND DTW WILL PULL PSECU CODES AND DEFERRED GEAR. CONTINUED TROUBLESHOOTING NOSE LANDING GEAR NLG PRIORITY. REMOVED AND REPLACED NLG PRIORITY VALVE IAW AMM 32-32-15. OPS CHECKS GOOD.

Part: CONNECTOR — DAMAGED (THRUST REVERSER) · airframe 16,161 hrs · 14,160 cycles

RIGHT THRUST REVERSER DID NOT DEPLOY. CHECKED RIGHT THRUST REVERSER. STOW, DEPLOY AND THROTTLE LOCKOUT SWITCHES FOUND TO BE WITHIN LIMITS AT THIS TIME. OPS CHECKED GOOD. CLEANED AND RESECURED CONNECTOR IN ACCORDANCE WITH AMM 78-37-01.

Part: DRAIN MAST — DAMAGED (GALLEY) · airframe 21,386 hrs · 18,356 cycles

TEMP REPAIR TO GALLEY DRAIN MAST NEEDS APPLIED PER REO 601R-38-32-032 (REF DI 62373). TEMP REPAIR APPLIED PER REO 601R-38-32-032 VERIFIED DRAIN MAST OPERATIONAL (REF DI 62373).

Part: CONTROL PANEL — DEFECTIVE (AILERON TRIM) · airframe 14,826 hrs · 12,872 cycles

AILERON TRIM STUCK FULL RIGHT WING DOWN. REMOVED AND REPLACED TRIM CONTROL PANEL IAW AMM 27-12-10. OPC GOOD.

Part: TORQUE LINK — DISCONNECTED (NLG) · airframe 14,634 hrs · 12,639 cycles

NOSE DOOR MASTER WARNING. NOSE WHEEL STEERING INOP MASTER CAUTION. UNABLE TO TAXI - IN W/STEERING ENGAGED. INSPECTED A/C, FOUND NOSE TQ LINKS DISCONNECTED, INSPECTED FOR DAMAGE. NO DAMAGE NOTED. CONNECTED TQ LINKS. OP CHECKED STEERING IAW AMM 32-50-00. OPS NORMAL AT THIS TIME, OK FOR SERVICE.

Part: BULKHEAD — CHAFED (FUSELAGE) · airframe 14,571 hrs · 12,573 cycles

CHAFE AT FS 621 BULKHEAD AT LBL 9 APPROX .0065 DEEP. REPAIRED IAW SRM 53-00-31 AND BOMBARDIER REOS 601R-53-61-2155 AND 601R-53-61-4232.

Part: BULKHEAD — CHAFED (FUSELAGE) · airframe 14,571 hrs · 12,573 cycles

CHAFE AT FS 621 BULKHEAD AT LBL 18 (APPROX 1/8" ROUND X .003 DEEP). REPAIRED IAW SRM 53-00-31.

Part: BULKHEAD — CHAFED (FUSELAGE) · airframe 14,571 hrs · 12,573 cycles

THREE CHAFES ON FS 621 BULKHEAD AT RBL 9 (APPROX 1/8" ROUND X .002D). REPAIRED IAW SRM 53-00-31.

Part: WARNING SYSTEM — FALSE ACTIVATION (FUEL SYSTEM) · airframe 14,571 hrs · 12,573 cycles

RT XFLOW SOV CAUTION MSG IN FLIGHT. FUEL SYNOPTIC PAGE INDICATES SOV STUCK OPEN. MSG CLEARED AFTER 1 OR 2 MINUTES. MSG CLEARED, XFLOW SYS TEST OK IAW AMM 28-13-43. OK FOR SERVICE.

Part: APU — LEAKING (APU BAY) · airframe 14,254 hrs · 12,282 cycles

3991 MSP LSE (8039) DEPLANED DUE TO SMOKE IN CABIN. FLIGHT HAD NOT YET BLOCKED OUT. PASSENGERS DEPLANED NORMALLY. THERE WERE NO REQUESTS FOR MEDICAL ATTENTION. MSP MX COMPLETED SMOKE/FUMES IN CABIN/FLT DECK REV A WORK SCOPE PER CHECKLIST PROVIDED. FOUND APU HAS INTERNAL FUEL LEAK. REF TL-213276-2011.

Part: EXHAUST PIPE — FIRE (APU) · airframe 14,197 hrs · 12,268 cycles

GROUND CREW OBSERVED BURNING FUEL IN APU EXHAUST AFTER POST FLIGHT SHUTDOWN. REPORTED TO ATC, LOCAL CFR DISPATCHED. CAPTAIN RE-STARTED APU THEN PERFORMED APU SHUTDOWN WITHOUT FURTHER INCIDENT. APU DIFFERED ON 08/11/11, REF TL -213273-2011, DEF-049091-2011 THEN REPLACED, REF TL-213279-2011.

Part: PITOT SYSTEM — CONTAMINATED (COCKPIT) · airframe 11,877 hrs · 10,042 cycles

A 60 ON F/O AND 80 ON CAPT SIDE AIRSPEED SPLIT. UNKNOWN SPEED PURGED PITOT STATIC SYSTEM AND REMOVED AND REPLACED NR 2 AIR DATA COMPUTER PER CRJ AMM 34-13-01 - LEAK AND OPS CHECK IS GOOD.

Part: TORQUE LINK — DISCONNECTED (NLG) · airframe 13,378 hrs · 11,458 cycles

AIR RETURN FOR NOSE GEAR DISAGREE ON A/C 839 SWAPPED INTO 8942 TORQUE LINKS NOT CONNECTED STILL IN WORK FOR PA 05-18A COMPLIANCE.

Part: SEAL — TORN (AILERON) · airframe 18,691 hrs · 16,090 cycles

A 1 INCH TEAR WAS FOUND ON THE RIGHT WING AILERON LOWER TRAILING EDGE SEAL AT APPROXIMATELY WING STATION WS - 292. TEMPORARY REPAIR IAW STS ENGINEERING EA 5-2010-281. WITHIN 500 FLIGHT HOURS, REPLACE DAMAGED SEAL WITH A NEW P/N 601R10244-48 SEAL USING THE RETAINED HARDWARE.

Part: PROXIMITY SWITCH — FAILED (NLG) · airframe 12,114 hrs · 10,259 cycles

GEAR DISAGREE (NOSE GEAR) ON FINAL APPROACH, 180 KTS FLAPS 20, RWY 24 R EMERGENCY LANDING RWY 24 L. REMOVED AND REPLACED PROX SWITCH RT NOSE GEAR DOWNLOCK IAW AMM 32-61-25. OPC NORMAL. OK FOR SERVICE.

Part: IDG — DISCONNECTED (NR 2) · airframe 12,031 hrs · 10,181 cycles

ABORTED TAKEOFF AT 45 KNOTS WITH IDG 2 MESSAGE AND GEN 2 CAUTION MESSAGE. RECONNECTED NR 2 IDG IAW AMM 24-11-01. GND RUN GOOD. OK FOR SERVICE.

Part: ACM — CONTAMINATED · airframe 4,027 hrs · 3,209 cycles

PERFORMED RETURN TO YOW AFTER RECEIVING SMOKE TOILET MESSAGE AFTER TAKEOFF. INVESTIGATED AIRCRAFT FOUND TO BE RESIDUAL DE-ICE FLUID HAD ENTERED ACM PACKS. PERFORMED GROUND OPERATIONAL CHECKS WITH NO DEFECTS.