N434AT

Part: ENGINE — FAILED (RIGHT) · airframe 29,240 hrs · 32,386 cycles

DURING START, NR 2 ENGINE EMITTED HEAVY WHITE SMOKE & STRONG ODOR OF OIL. RIGHT ENGINE REMOVED & REPLACED.

Part: ENGINE — MALFUNCTIONED (NR 2) · airframe 29,240 hrs · 32,386 cycles

DURING STARTING NR 2 ENG HEAVY WHITE SMOKE & STRONG ODOR OF OIL. RT ENGINE R & R.

Part: PACKING — UNKNOWN · airframe 29,210 hrs · 32,341 cycles

DURING ENGINE GROUND RUN-UP NOTICED HEAVY WHITE SMOKE ON START-UP AND AFTER SHUTDOWN OF RT ENGINE. R & R NL SENSOR SEALING TUBE PACKINGS IAW MM 72-00-02. ENGINE GROUND RUN -UP NO SMOKE NOTICED AT THIS TIME.

Part: SWITCH — FAULTY (EMERGENCY LIGHTS) · airframe 28,790 hrs · 31,708 cycles

ON FLIGHT 4853 THE CREW REPORTED THAT SEVERAL EMERGENCY LIGHT TURNED ON THEN OFF. THE ACFT WAS REMOVED FROM SERVICE. R & R SWITCH 9LE IAW JIC 20-45-10. THE OPS CHECK FOUND IT WORKING PROPERLY IAW EX-332000-OPT-10000-006. THE ACFT WAS RETURNED TO SERVICE.

Part: SWITCH — FAULTY (EMERGENCY LIGHT) · airframe 28,790 hrs · 31,708 cycles

ON FLIGHT 4853 THE CREW REPORTED THAT SEVERAL EMERGENCY LIGHT TURNED ON THEN OFF. THE ACFT WAS REMOVED FROM SERVICE. R & R SWITCH 9LE IAW JIC 20-45-10. THE OPS CHECK FOUND IT WORKING PROPERLY IAW EX-332000-OPT-10000-006. THE ACFT WAS RETURNED TO SERVICE.

Part: SEAL — WORN (BLEED AIR) · airframe 28,770 hrs · 31,759 cycles

DURING CRUISE, THE CREW REPORTED A NR 2 BLEED LEAK. THE CREW DECLARED AN EMERGENCY AND LANDED AT THEIR DESTINATION. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED RT ENGINE RUNUP IAW MM 72-00-00 AND FOUND NO LEAK. REPLACED RT L/E BLEED DUCT SEALS IAW MM 36-11-00. THE OPS CHECK WAS OK. THE ACFT WAS RETURNED TO SERVICE.

Part: WIRE — BROKEN (EMERGENCY LIGHT) · airframe 28,750 hrs · 31,734 cycles

MX FOUND THE PASSENGER DOOR EMERGENCY LIGHT INOPERABLE. THE ACFT WAS REMOVED FROM SERVICE. REPAIRED WIRE 2777 AT 253VC IAW MM 20-43-10. NO PARTS R & R. THE OPS CHECK WAS OK IAW 33-50-00. THE ACFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 28,723 hrs · 31,694 cycles

DURING THE PREFLIGHT INSP, FOUND THE CABIN ENTRENACE DOOR EMERGENCY FLOOD LIGHT INOPERABLE. (STAIRS). THE ACFT WAS REMOVED FROM SERVICE. REPLACED THE FLOOD LIGHT AT PASSENGER ENTRY STAIR EMERGENCY LIGHT MM 20-27-17. THE OPS TEST WAS SATISFACTORY AS MM 33-50-00. THE ACFT WAS RETURNED TO SERVICE.

Part: FEEDER CABLE — DAMAGED (EMERGENCY LIGHT)

DURING THE PREFLIGHT INSP FOUND THE CABIN ENTRANCE DOOR EMERGENCY FLOOD LIGHT INOPERABLE. THE ACFT WAS REMOVED FROM SERVICE. REPAIRED BROKEN CABLE AT PASSENGER ENTRY STAIR EMERGENCY LIGHT MM 20-27-17. THE OPS TEST WAS SATISFACTORY AS MM 33-50-00. THE ACFT WAS RETURNED TO SERVICE.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,672 hrs · 31,636 cycles

DURING THE PREFLIGHT INSP FOUND THE FLOOR EMERGENCY ESCAPE LIGHT ON 13 A & B AND ROW 17 A & B INOPERABLE. ACFT WAS REMOVED FROM SERVICE. REPLACED FLOOR EMERGENCY LIGHT BULBS AT 13A & B, AND 17A& B. THE OPS CHECK IAW W/C EX-335000, CK-10000-006 WAS GOOD. THE AFT WAS RETURNED TO SERVICE.

Part: O-RING — LEAKING (HYD SYSTEM) · airframe 28,430 hrs · 31,351 cycles

AFTER 15 MIN ENROUTE LOW LEVEL LIGHT ON GREEN CAME ON THEN 10 MIN LATER LO PR LIGHT ON. EMERGENCY DECLARED. REMOVED AND INSTALLED HYDRAULIC PRESSURE MODULE (GREEN SYSTEM) CHECK VALVE O-RINGS I.A.W. CMM 29-11-53, ALSO PERFORMED NORMAL EXTENSION AND RETRACTION CHECK I.A.W. JIC 32-31-00OPS CHK GOOD NO LEAKS NOTED. AWAITING AML FROM MIA FOR PARTS REPLACEMENT INFORMATION.

Part: WIRE — BROKEN (EMERGENCY LIGHT) · airframe 28,359 hrs · 31,272 cycles

POST FLIGHT INSP FOUND EMERGENCY EXIT LIGHT IN ACFT MAIN DOOR NOT WORKING. REPAIRED BROKEN WIRE ON AIRSTAIR EMERGENCY LIGHT IAW ATR 72 STANDARD PRACTICES 20-45-00.

Part: BPCU — FAILED (ACFT ELECTRICAL) · airframe 27,560 hrs · 30,383 cycles

TOTAL ACFT ELECTRICAL FAILURE (BOTH BUSES + INVERTERS) EMERGENCY DECLARED. R & R DC BPCU IAW AMM JIC 24-46-83-RAI-10000 AND JIC 72-00-00-ERU-10000. R & R ACW BUS POWER CONTROL UNIT IAW JIC 24-41-83-RAI-10000-001. OPS CHECK GOOD NO ELECTRICAL DISCREPANCIES NOTED.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 27,522 hrs · 30,342 cycles

EMERGENCY LIGHT ON STAIRS INOP. R & R EMERGENCY LIGHT ASSY IAW 33-51-24. OPS CHECK GOOD IAW 33-50-00.

Part: FAN — FAILED · airframe 27,439 hrs · 30,237 cycles

STRONG SMELL OF ELECTRICAL SMOKE BY NR 1, NR 2 CARGOS NO VISUAL NO ALARMS. AFTER ENGINE SHUTDOWN. R & R EXTRACTION FAN IAW JIC 21-23-21 RAI 10000, OPS CHECK GOOD.

Part: LIGHT — BROKEN (CABIN) · airframe 27,314 hrs · 30,072 cycles

EMERGENCY FLOOR LIGHT AT GALLEY IS BROKEN AND LOOSE FROM ITS MOUNT. REPLACED AND SECURED EMERGENCY FLOOR LIGHT ASSY AT GALLEY IAW JIC 33-50-10 RAI 10000. OPS CHECK GOOD IAW JIC 33-50-00 OPT 10000.

Part: BOLT — MISSING (EMERGENCY LIGHTS) · airframe 27,261 hrs · 30,018 cycles

FLOOR EMERGENCY PROXIMITY LIGHT AT GALLEY IS MISSING SECURING BOLTS. INSTALLED MISSING HARDWARE.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHTS) · airframe 27,247 hrs · 29,999 cycles

EMERGENCY LIGHT MAIN CABIN DOOR INOP C/A RELAMPED AND CHECK IAW W/C EX 335000-10000-006.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 27,247 hrs · 29,999 cycles

FLOOR PATH EMERGENCY LIGHT INOP ROW 10. RELAMPED ROW 10 FLOOR PROXIMITY LIGHT IAW SRM 20-43-13, MEL RESTORED.

Part: METERING VALVE — INOPERATIVE (BRAKE SYS) · airframe 26,975 hrs · 29,660 cycles

NO BRAKES ON LT PEDAL, CAPT SIDE BRAKE WAS TESTED WHILE TAXING, REMOVED PRESSURE FROM RT SIDE BRAKE, AND AC CONTINUE FWD MOVEMENT WITHOUT STOPPING. REF: NRWC NR 325778, R & R METERING VALVE IAW JIC NR 32-42-51 OPTS CHECK GOOD NO FAULTS NOTED.

Part: HINGE — CORRODED (RT WING LE) · corrosion level 2 · airframe 26,724 hrs · 29,356 cycles

CORROSION RT WING INBD L/E HINGE BETWEEN RIB 4 AND 5. REMOVED CORROSION ON RT WING L/E HINGE BETWEEN RIB 4 AND 5 IAW SRM 57-12-10, COMPLIED WITH NR DO/TS-1754/10-13248, NR DO/TS-1754/10, 5667 AND EO E2-57MR-374.

Part: BULKHEAD — CORRODED (FUSELAGE) · corrosion level 2 · airframe 26,723 hrs · 29,355 cycles

CORROSION ON CONTACT POINT AT FWD PRESSURE BULKHEAD. C/W SRI DO/TS-1767/10-13252, REF NDT REPORT AMS INC 100326-25 FOR UT AN HFEC VALUES. NO CRACKS NOTED AT THIS TIME. C/W ATR72 SRAS DO/TS - 1767/10 5668 SUPPLEMENTARY INSP, DUI OF BLENDED AREAS EVERY 2 YRS FOR NEW CORROSION DETECTION. ACCOMPLISHED EO E2-53MR-241 SUPPLEMENTARY INSP ON FRAME FWD BULK HEAD BLEND OUT WEB REPAIR.

Part: ENGINE — FIRE (NR 1) · airframe 26,716 hrs · 29,354 cycles

CAPT REPORT NR 1 ENG FIRE. DISCHARGED BOTH BOTTLES. DECLARED EMERGENCY AND RETURN TO DEPARTURE. AWAITING AML FOR FURTHER DETAILS.

Part: ENGINE — FIRE (NR 1) · airframe 26,716 hrs · 29,353 cycles

NORMAL CLIMBOUT ABOUT 6000 FT HAD A NR 1 ENGINE FIRE INDICATION AS WELL AS VISUAL CONFIRMATION. RAN MEMORY ITEMS EPC & AOM 1 CHECKLIST. FIRE DID NOT GO OUT UNTIL SHORT FINAL. BOTH AGENTS DISCHARGED. REMOVE LT ENGINE SN-127056 IAW JIC 72-01-00. REPAIRED LT ENGINE LOWER NACELLE AREA IAW EO E2-54MR-028. ENGINE INSTALLED PW127TM SN 127060.

Part: LAMP — FAILED (EMERGENCY LIGHTS) · airframe 26,515 hrs · 29,068 cycles

EMERGENCY LIGHT ON BOTOOM OF STEPS INOPERATIVE. EMERGENCY LIGHT BOTTOM PASSENGER STAIR LIGHT BULB REPLACED IAW JIC NR 33-51-24. OPT CHECK OK.

Part: ENGINE — POWER LOSS (LEFT) · airframe 26,304 hrs · 28,753 cycles

LOST LT ENGINE TORQUE, DECLARED EMERGENCY, LANDED SAFELY WITH NO OTHER CONSEQUENCE. AWAITING AML PAGE FOR FURTHER DETAILS.

Part: ENGINE — FAILED (ZONE 500) · airframe 26,304 hrs · 28,753 cycles

IN CRUISE NR 1 ENG HAD MULTIPLE DETONATIONS WITH FIRE STREAMING FROM TAILPIPE. ENGINE TORQUE DROPPED FROM 80 PERCENT TQ TO 30 PERCENT TQ. AFTER PL NR 1 WAS PULLED BACK DETONATIONS CONTINUED TO A TOTAL OF 5 OR 6. ENGINE DID NOT SHUT DOWN. REMOVED AND REPLACED LT ENGINE AS PER W/C EX-ATR-72-RAI-002. OPERATIONAL AND LEAKS CHECKS FOUND SATISFACTORY.

Part: UNKNOWN — ODOR (CABIN) · airframe 25,645 hrs · 27,627 cycles

A STRONG BURNING ODOR REPORTED BY PAX AND F/A NR 2 DURING DESCENT AND AFTER LANDING. PERFORMED GROUND RUN UP AND OPS CHECK IAW JIC NR72-00-00. UNABLE TO DUPLICATE DISCREPANCY AT THIS TIME.

Part: CONTROLLER — FAILED (WINDSHIELD HEAT) · airframe 25,327 hrs · 27,394 cycles

CAPT WINDSHIELD CRACKED. REMOVED AND REPLACED CAPT WINDSHIELD IAW JIC NR 56-11-00. ALSO REMOVED AND REPLACED CAPT WINDSHIELD HEAT CONTROLLER UNIT IAW JIC NR 30-42-11.

Part: BULB — FAILED (EMERGENCY LIGHT) · airframe 23,590 hrs · 25,257 cycles

EMERGENCY LIGHT IN PASSENGER DOOR INOPERATIVE. RELAMPED AIRSTAIR EMERGENCY LIGHT BULB IAW MM 35-50-00. OPERATIONAL CHECK GOOD.

Part: LIGHT — FAILED (CABIN) · airframe 22,899 hrs · 24,432 cycles

PAX DOOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED LIGHT ASSEMBLY IAW CMM NR 33-51-26. PERFORMED OP CK.

Part: WIRE — DAMAGED (CABIN)

CREW NOTICED EMERGENCY EXIT LIGHT AT BOTTOM OF SERVICE DOOR INOPERATIVE. REPAIRED WIRE AND TESTED EMERGENCY LIGHT IAW MM 33-55-00. FOUND WORKING PROPERLY. (K)

Part: WINDSHIELD — CRACKED (COCKPIT)

DURING APPROACH, THE CAPTAIN SIDE WINDSHIELD CRACKED. REPLACED WINDSHIELD IAW MM. (K)

Part: THERMOCOUPLE — DEFECTIVE (EXHAUST)

ON APPROACH, LT ENGINE ITT AT 1200 DEGREES. ENGINE SHUT DOWN AS PRECAUTIONARY PROCEDURES. LANDED SUCCESSFULLY, EMERGENCY DECLARED. DFDR PARAMETERS READ OUT INDICATED THAT NO OVER-TEMP CONDITION ON THE ENGINE EXISTED. IT WAS ONLY AN INDICATION. ONE ENGINE THERMOCOUPLE WAS FOUND DEFECTIVE. REPLACED THERMOCOUPLE AND ENGINE CHECKED OK. (K)

Part: INDICATION SYS — UNKNOWN (SPOILER)

DURING FLIGHT FOUND SPOILER INDICATION INOPERATIVE AND AILERON EXTREMELY HEAVY. AIRCRAFT RETURNED TO AIRPORT. PERFORMED OPERATIONAL CHECK OF SPOILERS AND FOUND WORKING AND INDICATING PROPERLY. PERFORMED A DETAILED VISUAL INSPECTION TO THE AILERON CONTROL MECHANISM AND FOUND SATISFACTORY. FUNCTIONAL CHECK CONDUCTED AND FOUND SATISFACTORY. (K)

Part: WARNING LIGHT — FALSE INDICATION (FIRE WARNING)

WHILE TAXIING WITH PROPELLER IN FEATHER POSITION, WITH A TAIL WIND, THE LEFT ENGINE FIRE WARNING CAME ON MOMENTARILY. ENGINE WAS SHUT-DOWN. PERFORMED VISUAL CHECK AND FOUND NO EVIDENCE OF FIRE NOR DAMAGE. (M)

Part: AUTOFEATHER SYS — MALFUNCTIONED (NR 2 ENGINE)

DURING TAKEOFF ROLL, A CONFIGURATION WARNING AND ENGINE CAUTION CAME ON. ALSO, CIRCUIT BREAKER D-24 POPPED OUT. TAKEOFF ABORTED. REPLACED AUTOFEATHER UNIT ON NR 2 ENGINE. (M)

Part: SENSOR — ERRATIC (ENG NACELLE)

ABORTED TAKEOFF DUE TO RIGHT ENGINE FIRE WARNING INDICATION. REPLACED RIGHT ENGINE FIRE SENSING ELEMENTS. (M)

Part: CHECK VALVE — FAILED (COMPRESSOR)

DURING TAKEOFF THE LT ENGINE ITT EXCEEDED THE LIMITS. REMOVED AND REPLACED THE LT ENGINE P2.5 CT CHECK VALVE.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

MIA - FLT 4958 - EMERGENCY EXIT LIGHT IN AIRSTAIRS DOOR IS INOPERATIVE. RAI, EMERGENCY SUPPLY POWER UNIT. (M)

Part: ODOR — DETECTED (CABIN)

MIA - FLT 9534 - A/C SMELLS LIKE FUEL BOTH ON GROUND AND IN THE AIR. INSPECTED INSIDE CABIN FOR FUEL LEAK, OUTSIDE FOR FUEL LEAKS. AIRED OUT CABIN AND CROSS FEED FUEL AND RAN ENGINES. NO SMELL OF FUEL FOUND INCABIN. (M)

Part: PITOT TUBE — OBSTRUCTED (PITOT/STATIC SYS)

DFW - FLT 3737 - F/O'S AIRSPEED INDICATOR FAILED TO REGISTER AIRSPEED AT 90 KIAS. ADU CLEARED ALL DATE AND DISPLAYED DADC FAILURE. CLEANED BLOCKAGE FROM F/O'S PITOT TUBE IAW AMM. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

SAW - DURING CPCP-2 INSPECTION MAINTENANCE, REPORTED THE LAV FLOOR SUPPORT BETWEEN FRAMES 39 AND 40 CORRODED. MAINTENANCE REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-25-03. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: CONNECTOR — MISWIRED (PAX DOOR)

DFW - FLT 3350 - DURING PHASE 1 INSPECTION, MAINTNANCE REPORTED THE PASSENGER DOOR EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE FOUND CANNON PLUG 253VC WIRED INCORRECTLY CAUSING A FUSE TO BLOW IN POWER SUPPLY 62WL. CANNON PLUG WAS REWIRED IAW ATR MM 52-71-01. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FUSE — BLOWN (POWER SUPPLY)

DFW - MAINTENANCE REPORTED THE PASSENGER DOOR EMERGENCY LIGHT TO BE INOPERATIVE. MAINTENANCE REPLACED FUSE IN POWER SUPPLY 62WL. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLASHLIGHT — INOPERATIVE (CABIN)

DFW - FLT 3716 - AFT FLIGHT ATTENDANT EMERGENCY FLASHLIGHT INOPERATIVE. PUT ON MEL AT THIS TIME. REMOVED AND REPLACED FLASHLIGHT AND BATTERY. OPS CHECK GOOD. (M)

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 12,529 hrs · 12,756 cycles

DFW - FLT 3403 - FLIGHT ATTENDANT FLASHLIGHT INOPERATIVE. PUT ON MEL AT THIS TIME. (X)

Part: LIGHT — INOPERATIVE (AIRSTAIR)

MIA - FLT 5248 - AIRSTAIR EMERGENCY LT INOPERATIVE. REMOVED LIGHT ASSY CLEANED AND REINSTALLED. OPS CHECK GOOD IAW AMM. (M)

Part: GCU — FAILED (NR 1 ENGINE) · airframe 11,810 hrs · 11,930 cycles

NAS - FLT 5352 - NR 1 DC GENERATOR FAULTED ON TAKEOFF. REPLACED GCU IAW ATR MM 24-00-00. OPS CHECKED GOOD. (X)

Part: POWER SUPPLY — FAILED (CABIN) · airframe 11,657 hrs · 11,744 cycles

MIA - FLT 5273 - FORWARD HALF OF EMERGENCY FLOOR LIGHTS STAY ON. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY 73WL. (X)

Part: LIGHT — LOOSE (CABIN)

MIA - FLT 5356 - FIRST ROW OF EMERGENCY LIGHTS OUT. FOUND CONNECTION LOOSE AT FOWARD END OF FLOOR LIGHTING SYSTEM. RESECURED CONNECTION, OPS CHECK GOOD. (M)

Part: LIGHT — FAILED (CABIN)

MIA - FLT 5339 - FLOOR PROX EMERGENCY LIGHT IN FRONT OF GALLEY CART INOPERATIVE. REMOVED AND REPLACED FLOOR EMERGENCY LIGHT. OPS CHECK GOOD. (M)

Part: LAMP — FAILED (ROW 6)

MIA - FLT 5315 - CABIN EMERGENCY FLOOR PROXIMITY LIGHT AT ROW 6 DOES NOT ILLUMINATE. REMOVED AND REPLACED BULB. OPERATIONAL CHECK GOOD. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING MBV-2 INSPECTION, FOUND THE LEFT MIDDLE INBOARD, LEFT AFT OUTBOARD, AND THE RIGHT MIDDLE OUTBOARD SEAT TRACKS CORRODED. MAINTENANCE REMOVED AND REPLACED THE SEAT TRACKS IAW EO E9-5300-013. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING MBV-2 INSPECTION, FOUND THE LEFT MIDDLE INBOARD, LEFT AFT OUTBOARD, AND THE RIGHT MIDDLE OUTBOARD SEAT TRACKS CORRODED. MAINTENANCE REMOVED AND REPLACED THE SEAT TRACKS IAW EO E9-5300-013. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING MBV-2 INSPECTION, FOUND THE LEFT MIDDLE INBOARD, LEFT AFT OUTBOARD, AND THE RIGHT MIDDLE OUTBOARD SEAT TRACKS CORRODED. MAINTENANCE REMOVED AND REPLACED THE SEAT TRACKS IAW EO E9-5300-013. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ACM — FAILED (LEFT)

DFW - FLT 3544 - INBOUND FROM HOU TO DFW, THE CREW REPORTED A LEFT BLEED FAULT AT 125 KTS IN LANDING CONFIGURATION. UPON TOUCHDOWN, THE AIRCRAFT WAS TAXIING WHEN SMOKE STARTED TO FLOW INTO THE COCKPIT. THE CREW SHUT DOWN THE AIRCRAFT AND EVACUATED THE PAX ONBOARD. RAI'D THE ACM AND HEAT EXCHANGER ON THE NR 1 SIDE. A/R RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING CPCP-8 INSPECTION, MAINTENANCE REPORTED THE LEFT AFT INBOARD, LEFT AFT OUTBOARD AND THE LEFT AFT FLIGHT ATTENDANT SEAT TRACKS WERE CORRODED. MAINTENANCE REMOVED AND REPLACED THE THREE SEAT TRACKS IAW SRM 51-25-04. A/C WAS RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING CPCP-8 INSPECTION, MAINTENANCE REPORTED THE LEFT AFT INBOARD, LEFT AFT OUTBOARD AND THE LEFT AFT FLIGHT ATTENDANT SEAT TRACKS WERE CORRODED. MAINTENANCE REMOVED AND REPLACED THE THREE SEAT TRACKS IAW SRM 51-25-04. A/C WAS RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING CPCP-8 INSPECTION, MAINTENANCE REPORTED THE LEFT AFT INBOARD, LEFT AFT OUTBOARD AND THE LEFT AFT FLIGHT ATTENDANT SEAT TRACKS WERE CORRODED. MAINTENANCE REMOVED AND REPLACED THE THREE SEAT TRACKS IAW SRM 51-25-04. A/C WAS RETURNED TO SERVICE. (M)

Part: CONNECTOR — DIRTY (CABIN)

MKE - FLT 4233 - AFT EMERGENCY FLOOR LIGHT BY GALLEY INOPERABLE. REMOVED ASSY, CLEANED CANNON PLUG AND REINSTALLED ASSY. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (X)

Part: SWITCH — FAILED (CABIN)

ORD - FLT 4225 - A SECTION OF EMERGENCY FLOOR LIGHTS REMAIN ON AFTER BEING SELECTED OFF. REPLACED COCKPIT DISARM SWITCH AND BATTERY PACK. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

ORD - FLT 4225 - A SECTION OF EMERGENCY FLOOR LIGHTS REMAIN ON AFTER BEING SELECTED OFF. REPLACED COCKPIT DISARM SWITCH AND BATTERY PACK. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: WIRE — BROKEN (CABIN)

DFW - FLT 3826 - AIRSTAIR EMERGENCY LIGHT INOP. REPAIRED BROKEN WIRES IN CANNON PLUG. AIRCRAFT WAS RETURNED TO SERVICE. (M)