N8718E

Part: LIGHT — SMOKE (CABIN) · airframe 23,907 hrs · 21,477 cycles

FLIGHT ATTENDANT REPORTS SMOKE FROM READING LIGHTS OUT 4AB. PERFORMED OPERATIONAL CHECK OF THE READING LIGHTS IAW AMM 33-21-00, OPERATIONS CHECKED GOOD. TURNED ON & WATCHED FOR ABOUT 10 MINS. NO SMOKE OR OTHER DEFECTS NOTED.

Part: PROXIMITY SENSOR — OUT OF ADJUST (LT MLG) · airframe 23,385 hrs · 20,965 cycles

LT MAIN GEAR DID NOT RETRACT FOLLOWED QRH PROCEDURES TO EXTEND GEAR AND LANDED. FOUND LT MLG UPLOCK PROXIMITY SENSOR OUT OF CLEARANCE. ADJUSTED PROXIMITY SENSOR TO ALLOWABLE CLEARANCE IAW AMM 32-61-05. PROX SENSOR SYSTEM TEST DONE. IAW AMM 32-61-00, OPS CHECK GOOD. LANDING GEAR EXTENSION AND RETRACTION TEST DONE. IAW AMM 32-30-00. OPS CHECKED GOOD.

Part: PROXIMITY SENSOR — OUT OF ADJUST (MLG) · airframe 23,385 hrs · 20,965 cycles

LEFT MAIN GEAR DID NOT RETRACT FOLLOWED QRH PROCEDURES TO EXTEND GEAR AND LANDED FOUND LT MLG UPLOCK PROXIMITY SENSOR OUT OF CLEARANCE. ADJUSTED PROXIMITY SENSOR TO ALLOWABLE CLEARANCE IAW AMM 32-61-05. PROXIMITY SENSOR SYS TEST DONE IAW AMM 32-61-00, OPS CHECKED GOOD. LANDING GEAR EXTENSION AND RETRACTION TEST DONE. IAW AMM 32-30-00. OPS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 23,384 hrs · 20,643 cycles

LEFT WINDOW HEAT CAUTION MSG WOULD RESET BUT REOCCURED MUTIPLE TIMES DURING FLIGHT. RAN LT WINDOW HEAT ON LOW + HIGH. OP CHECK GOOD IAW AMM 30-41-00. OK FOR SVC.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 22,510 hrs · 20,106 cycles

DURING PMI FOUND EMERGENCY FLOOR TRACK LIGHTING FROM ROWS 5-8 INOPERABLE. REMOVED AND REPLACED EMERGENCY LIGHTING INVERTER IAW AMM 33-51-07. OPERATIONS CHECK GOOD. OK FOR SERVICE.

Part: TRIM SWITCH — FAULTY (COCKPIT) · airframe 21,997 hrs · 19,592 cycles

FLIGHT 4160 DTW-CLT A/C 8718 ON APPROACH INTO CLT THE CAPTAIN EXPERIENCED HIS YOKE PITCH TRIM BEING STUCK IN PITCH DOWN POSITION. HE WAS UNABLE TO CORRECT. F/O WAS ABLE TO OVERRIDE AND UTILIZE TRIM WHICH CORRECTED IT ACCORDINGLY AND RETURNED IT TO NORMAL. FLIGHT LANDED WITHOUT INCIDENT. NON EMERGENCY. REMOVED AND REPLACED CAPTAIN'S PITCH TRIM SWITCH IAW AMM 27-41-05. OK FOR SERVICE.

Part: LIFE VEST — UNSERVICEABLE (CABIN) · airframe 21,821 hrs · 19,424 cycles

INFANT LIFE VEST HAS OPEN BAG. REMOVED AND REPLACED INFANT LIFE VEST IAW PA 25-096A.

Part: DOOR SEAL — DAMAGED (EMERGENCY EXIT) · airframe 21,815 hrs · 19,418 cycles

A PIECE OF RUBBER MATERIAL STICKING OUT FROM THE BOTTOM OF THE EXTERIOR OF THE LEFT OVERWING EXIT. COMPLIED WITH REPAIR TO OVERWING EMERGENCY EXIT DOOR SEAL IAW REO 601R-52-21-019. OP AND LEAK CHECK GOOD. OK FOR SERVICE.

Part: STRIP — LOOSE (CABIN) · airframe 21,812 hrs · 19,414 cycles

EMERGENCY LIGHTING STRIP HAS COME A LOOSE IN ROWS 1-3. REMOVED AND REPLACED FLOOR TRACK LIGHTING COVER PART# 587208 IAW AMM 33-50-00.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 21,647 hrs · 19,243 cycles

MAIN ENTRANCE FLOOR EMERGENCY FLOOD LIGHT BULBS INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT IAW AMM 33-51-19. OPS CHECKS GOOD AT THIS TIME.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 21,586 hrs · 19,177 cycles

RT FWD EMERGENCY LIGHT INOPERATIVE. LAMPED RT FWD EMERGENCY LIGHT IAW 33-51-21. OPS CHECKED GOOD.

Part: CARBON SEAL — LEAKING (NR 1 ENGINE) · airframe 21,586 hrs · 19,177 cycles

SMOKE TOILET CAUTION MESSAGE AFTER TAKEOFF. FLIGHT ATTENDANT CALLED AND ADVISED FLIGHT CREW CABIN WAS FILLING UP WITH SMOKE. SMELLED LIKE BURNT RUBBER, ACCORDING TO FLIGHT ATTENDANT. REMOVED AND REPLACED RT ENGINE NR 1 CARBON SEAL IAW MM 72-00-00. ENGINE CHECKED GOOD. OK FOR SERVICE.

Part: APU — FAILED (APU BAY) · airframe 21,580 hrs · 19,171 cycles

FLT 3771, CREW REPORTED A THICK HAZE IN THE CABIN AND AN ODOR. MAINTENANCE RAN ENGINES AND PACKS AND FOUND NO HAZE OR ODOR. APU WAS SLOW TO START AND EMITTED A HAZE AND ODOR. REMOVED AND REPLACED APU ASSY IAW AMM 49-10-00. OPS CHECKS GOOD.

Part: CONTAINER — TORN (LIFE VEST) · airframe 22,859 hrs · 20,262 cycles

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

Part: COALESCER BAG — FAILED (RIGHT) · airframe 21,531 hrs · 19,116 cycles

CONDENSATION IN CABIN FROM AIR CONDITIONER MAKES THE VISIBILITY 0 FT FROM CEILING TO FLOOR. UNABLE TO SEE EMERGENCY LIGHTS WHEN ON, UNSAFE. REMOVED AND REPLACED RIGHT COALESCER BAG IAW AMM 21-51-13. OPS CHECK FAILED. REMOVED AND REPLACED RIGHT CABIN TEMPERATURE CONTROLLER IAW AMM 21-61-16. OPS CHECK GOOD.

Part: LIGHT — BROKEN (CABIN) · airframe 21,205 hrs · 18,795 cycles

IN FLOOR EMERGENCY LIGHT STRIP BROKEN NEAR ROW 1. RESERVE EMERGENCY FLOOR TRACK LIGHTING IAW AMM 33-51-04, OPC GOOD.

Part: SWITCH — FAILED (THRUST REVERSER) · airframe 21,118 hrs · 18,715 cycles

NR 2 ENGINE THRUST REVERSER WILL NOT ENGAGE OR DEPLOY ON LANDING. REMOVED AND REPLACED RT ENGINE THRUST REVERSER DEPLOY SWITCH IAW 78-37-01. FOUND OLD DEPLOY SWITCH TO BE INTERMITTENT. OPS TESTED GOOD.

Part: SWITCH — MISWIRED (THRUST REVERSER) · airframe 21,072 hrs · 18,674 cycles

RIGHT THRUST REVERSER WOULD NOT DEPLOY. FOUND DEPLOY SWITCH INCORRECTLY WIRED. REWIRED IAW WDM 78-30-00 AND PERFORMED OPS CHECK IAW AMM 78-30-00, OPS CHECKED GOOD.

Part: BATTERY — DISCHARGED (FLASHLIGHT) · airframe 20,813 hrs · 18,423 cycles

F/A'S FLASHLIGHT INOP. REMOVED AND REPLACED F/A FLASHILGHT BATTERY IAW AMM 25-61-02. REPLACED F/A'S FLASHLIGHT IAW CRJ AMM 25-61-00, OK FOR SVC.

Part: ALTERNATOR — DEFECTIVE (NR 2) · airframe 20,768 hrs · 18,381 cycles

DID AN AIR TURNBACK DUE TO APR INOP/N1 FLUX/ DCU WARNING, EMERGENCY NOT DECLARED, A/C LANDED SAFELY MX IN MEETING A/C TO BEGIN T/S. REMOVED AND REPLACED NR 2 ALTERNATOR.

Part: TRIM SYSTEM — MALFUNCTIONED (STABILIZER) · airframe 20,017 hrs · 17,646 cycles

CAPT SIDE STAB TRIM WILL TRIM DOWN BUT NOT UP. PERFORMED OPS CHECK IAW AMM 27-40-00. A/C NORMAL AT THIS TIME, OK FOR SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (FUEL SYSTEM) · airframe 19,940 hrs · 17,574 cycles

MOMENTARY LO FUEL TO LO PRESSURE CAUTION MESSAGE AT IDLE AT 10,000 FT. CAUTION MESSAGE EXTINGUISHED WITH ENGINE ABOUT IDLE FOR REST OF FLIGHT. PERFORMED OPS CHECK OF FUEL SYSTEM IAW 28-20-00. OPS CHECK GOOD.

Part: HYDRAULIC SYSTEM — LOW PRESSURE · airframe 19,702 hrs · 17,332 cycles

FLIGHT DIVERTED TO GRR FROM AZO FOR HYD PRESSURE LOW IN SYSTEM. MX STILL T/S NO LEAKS FOUND AT THIS TIME. SIGHT GLASS SHOWS 85 PERCENT, NO SIGNS OF ANY LEAKS. MX BLEED SYS TO SEE IF SIGHT GLASS IND MOVES ANY. NO. 2 IN FLIGHT.

Part: PUMP — MALFUNCTIONED (HYDRAULIC SYS) · airframe 19,199 hrs · 16,852 cycles

NOSE LANDING GEAR DISAGREE. REMOVED AND REPLACED HYD SYSTEM 3B PUMP IAW AMM 29-11-03. COMPLYING PA & WORKSCOPE.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 19,186 hrs · 16,839 cycles

ON APPROACH INTO BMI CREW REPORTED GEAR DISAGREE. CYCLED DOWN/RETRACTION HANDLE MESSAGE CLEARED "NO" EMERGENCY DECLARED DEFERRED LANDING GEAR RETRACTION SYSTEM IAW MEL 32-30-01 DM-43515.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 18,888 hrs · 16,563 cycles

FS 559 SEMI-PRESSUE BULKHEAD FOUND CRACKED IN THREE AREAS: RT WEB RBL 18, LT WEB LBL 9 AND CAP ANGLE AT LBL 18. REPAIRED IAW BOMBARDIER REOS GREO 601R-53-41-260 REV E AND 601R-53-41-609 REV B AND BOMBARDIER SERVICE CORPORATION EO 601R-53-20973.

Part: UNKNOWN — SMOKE (CABIN) · airframe 16,303 hrs · 14,128 cycles

ON INITIAL CLIMB AT APPROX 1800 MSL, SMOKE TOILET CAUTION MESSAGE ON EICAS. HAZE IN CABIN CAUSED LAV SMOKE DETECTOR TO GO OFF. MTX INSPECTED ACM'S, NO DEFECTS NOTED. PERFORMED ENG RUNS IAW AMM 71-00-00, AND APU RUN IAW 49-10-00. NO SMOKE NOTED ON ALL BLEED CONFIGURATIONS. LAV SMOKE DET CHECKS GOOD IAW AMM 26-16-01. OK FOR SERVICE.

Part: UNKNOWN — SMOKE (COCKPIT) · airframe 16,277 hrs · 14,101 cycles

DURING THE TAKEOFF ROLL, THE FIRST OFFICER NOTICED SMOKE COMING OUT OF HIS GASPER VENT. THE FIRST OFFICER CALLED OUT "80KNOTS," FOLLOWED BY "SMOKE IN THE COCKPIT." AS THE FIRST OFFICER CALLED OUT "SMOKE IN THE COCKPIT," CAPT COULD SEE AND SMELL THE SMOKE COMING OUT OF HIS GASPER. THEN EXECUTED THE REJECTED TAKEOFF PROCEDURE BETWEEN 80-100KTS. MTX PERFORMED ENGINE RUNS AND COULD NOT DUPLICATE THE ISSUE. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PRIORITY VALVE — FAILED (NOSE GEAR)

ON FINAL APPROACH, WHEN GEAR SELECTED DOWN "GEAR DISAGREE" MESSAGE RECEIVED SHOWING NOSE GEAR NOT DOWN AND LOCKED. QRH FOLLOWED EMERGENCY DECLARED WITH UNEVENTFUL LANDING. MX TROUBLESHOT SYS FOUND THE NOSE LANDING GEAR PRIORITY VALVE FAILED. VALVE REMOVED AND REPLACED IAW AMM AND GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. (K)

Part: OXYGEN MASK — UNWANTED DEPLOY (CABIN) · airframe 12,489 hrs · 10,817 cycles

IN CRUISE, PASSENGER OXYGEN MASKS DEPLOYED. SYSTEM INVESTIGATED, MASKS REPACKED AND AMM 35-21-09. OPERATIONAL CHECKS PERFORMED WITH NO DEFECTS FOUND.

Part: COALESCER BAG — DIRTY (ACM) · airframe 9,360 hrs · 8,194 cycles

RECEIVED SMOKE TOILET MESSAGE AFTER TAKEOFF. QRH FOLLOWED WITH UNEVENTFUL LANDING NO SMOKE OR FIRE FOUND. MAINTENANCE FOUND NR 1 AND NR 2 AIR CYCLE MACHINE (ACM) COALESCER BAG TO BE DIRTY AND WET. REMOVED AND REPLACED COALESCER BAG PER BOMBARDIER AMM PERFORMED OPERATIONAL CHECK OF SYSTEM WITH NO DEFECTS NOTED.

Part: FLAP SYSTEM — FAILED · airframe 9,208 hrs · 8,076 cycles

FLAP FAILURE ON APPROACH. DECLARED EMERGENCY LANDED WITHOUT INCIDENT. SYSTEM RESET AND PLACED ON 72 HOUR WATCH PER AD 2006-12-21.

Part: DRIVE SHAFT — UNKNOWN (TE FLAPS) · airframe 9,177 hrs · 8,052 cycles

FLAP FAILURE IN CRUISE, SECOND OCCURRENCE IN 72 HOURS. REMOVED, CLEANED, LUBED AND REINSTALLED ALL FLEXIBLE ACTUATOR DRIVE SHAFTS IAW AMM.

Part: FLAP SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 9,177 hrs · 8,052 cycles

FLAP FAIL INDICATION ON APPROACH. DECLARED EMERGENCY LANDED WITHOUT ISSUES. SYSTEM RESET AND PLACED ON 72 HOUR WATCH IAW AD 2006-12-21.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 8,177 hrs · 7,247 cycles

CARGO SMOKE MESSAGE IN FLIGHT AT 28000FT. QRH FOLLOWED BOTTLES DISCHARGED RETURN TO DEPARTURE AIRPORT, DTW. MAINTENANCE INSPECTED AND REPLACED THE FWD AND AFT CARGO SMOKE DETECTORS FOR FALSE WARNING. EXTINGUISHERS REPLACED. FWD DETECTOR P/N 473597-19, S/N 1978 AFT DETECTOR, P/N 473597-19, S/N 2199.

Part: CONTROL SYSTEM — MALFUNCTIONED (TE FLAPS)

FLAPS FAILED ON APPROACH, EMERGENCY DECLARED, QRH FOLLOWED, UNEVENTFUL LANDING. SYSTEM RESET PLACED FLAP ON 72 HOUR WATCH IAW AD 98-20-01.

Part: CONTROLLER — MALFUNCTIONED (TE FLAPS)

FLAP FAILS AT ZERO WHEN SELECTED TO 20 ON APPROACH. QRH FOLLOWED EMERGENCY DECLARED, UNEVENTFUL LANDING. SYSTEM RESET, PLACED FLAPS ON 72 HOUR WATCH IAW AD 98-20-01.