N550LL

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 19,068 hrs · 22,037 cycles

EMERGENCY LIGHT BATTERY PACK INOPERATIVE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 19,068 hrs · 22,037 cycles

SEVERAL EMERGENCY LIGHTS IN CABIN (FLOOR,SIGNS,CEILING )WILL NOT STAY ON UNDER EMERGENCY BATTER POWER. R & R 61WL BATTERY PACK IAW MM EX 33-51-21, RAI 10010-007. OPS CK GOOD.

Part: LIGHT — ILLUMINATED (CABIN) · airframe 18,768 hrs · 21,628 cycles

AFTER BOTH ENGINES START F/A ADVISES EMERGENCY LIGHTS ILLUMINATE. AWAITING AML PAGE FOR FURTHER DETAILS.

Part: SWITCH — FAILED (EMERGENCY LIGHTS) · airframe 18,768 hrs · 21,628 cycles

AFTER BOTH ENGINES SHORT F/A ADVISES EMERGENCY LIGHT ILLUMINATE. RAI EMERGENCY LIGHT SELECTOR SWITCH IAW STD PRACTICES NR 20-27-17. OPS CHECK OK.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 18,367 hrs · 21,080 cycles

FWD EMERGENCY LIGHTS DO NOT STAY ILLUMINATED FOR MORE THAN 30 SECONDS. REMOVED AND REPLACED FWD EMERGENCY PWR SUPPLY AT POSITION NR 43WL IAW ATR JIC NR 33-51-21, OPS CHECK GOOD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 18,367 hrs · 21,080 cycles

WHEN TURNING THE EMERGENCY LIGHTS FROM F/A PANEL THE FWD INTERIOR/ EXTERIOR LIGHTS WILL MOMENTARLY WORK TURN OFF. REMOVED AND REPLACED EMERGENCY PWR SUPPLY UNIT BATT NR 61 WL IAW JIC AMM NR 33-51-21 AND OPT FOUND SATISFACTORY IAW JIC AMM NR 33-50-00.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 18,367 hrs · 21,080 cycles

FWD EMERGENCY LIGHTS DO NOT STAY ILLUMINATED FOR MORE THAN 30 SECONDS. REMOVED AND REPLACED FWD EMERGENCY POWER SUPPLY AT POSITION NR 43WL IAW JIC NR33-51-21, OPS CHECK GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 18,366 hrs · 21,079 cycles

WHEN TURNING THE EMERGENCY LIGHTS FROM F/A PANEL FWD INTERIOR/EXTERIOR LIGHTS WILL MOMENTARLY WORK TURN OFF. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATT NR 61WL IAW ATR 72 JIC AMM NR33-51-21 AND OPT FOUND SATISFACTORY IAW ATR 72 JIC AMM NR33-50-00.

Part: WARNING LIGHT — FALSE ACTIVATION (MLG) · airframe 18,250 hrs · 20,940 cycles

BOTH GEAR INDICATIONS SHOWED UNSAFE GEAR AFTER RETRACTION. EMERGENCY DECLARED. SYSTEM DEFERRED ON MEL NR 32-03 AUTH NR 100070. MEL RESTORED ON 10-11-09 AT DFW: PERFORMED NORMAL EXTENSION AND RETRACTION FUNCTIONAL TEST IAW JIC NR 32-31-00. FUNCTIONAL OPS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME.

Part: ENGINE — POWER LOSS (LEFT) · airframe 18,195 hrs · 20,876 cycles

CAPT INFORMED DISPATCH DURING CLIMB, LT ENG TORQUE DROPPED TO 60 PERCENT AND DURING RETURN TO BASE HAD FIRE WARNING. EMERGENCY DECLARED. AWAITING AML PAGE FOR FURTHER DETAILS.

Part: FUEL NOZZLE — LEAKING (LT ENGINE) · airframe 18,195 hrs · 20,876 cycles

DFW ACFT 5 MIN INTO THE FLIGHT NOTICED NR 1 TQ (BOTH) INDICATIONS AROUND 60 PERCENT. MOVED POWER LEVER WITH NO EFFECT UNTIL THE LOW POWER ANGLE. WHEN CONFIGURING FOR LANDING AT DFW FUEL FLOW ON NR 1 ENG WAS HIGHER THAN NR 2, AT 50 FEET ON SHORT FINAL NR 1 ENG QUIT. LANDED NON EVENTFULLY ON NR 2 ENG, RIGHT AFTER TOUCHDOWN GOT NR 1 ENG FIRE INDICATION. PROCEEDED TO SHUTDOWN BOTH ENGINES AS PER EAGLE PROCEDURES. DISCHARGE NR 1 BOTTLE (INDICATIONS OF FIRE EXTINGUISHED AFTER THAT). F/A REPORT FUEL COMING OFF ENG NR 1 INTO RAMP. DECLARED EMERGENCY. EVACUATION PROCEDURE DONE AND COMPLETED. REMOVED AND REPLACED FUEL NOZZLES ON LT ENGINE IAW EO NR E2-7300-061R6. OPS CHECK GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS)

AFTER ENGINE START, TESTED EMERGENCY LIGHT/CAPT REPORTED HALF OF SYSTEM NOT ILLUMINATING. REMOVED AND REPLACED BATTERY PACK AT EMERGENCY LIGHT POWER SUPPLY FIN 73WL IAW JIC 33-50-00. OPT CK GOOD IAW JIC 33-50-00.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHTS) · airframe 15,272 hrs · 17,412 cycles

EMERGENCY FLOOR LIGHTS AT GALLEY AREA INOPERATIVE. REMOVED AND REPLACED LAMPS IAW JIC NR 33-50-00 AND FOUND WORKING PROPERLY.

Part: UNKNOWN — ODOR (CABIN) · airframe 14,968 hrs · 17,056 cycles

F/A REPORTED BURNING ODOR AROUND AFT GALLEY AREA AS A/C PARKED. ODOR DISSIPATED WHEN CABIN DOOR OPENED. PERFORMED DVI OF ALL LIGHTS IN THE BACK OF THE A/C FOR DAMAGE ON LIGHT FIXTURES. NO DAMAGE FOUND. PERFORMED OPT CK OF PAX COMPARTMENT LIGHTING IAW JIC NR 33-20-00 AND FOUND WORKING PROPERLY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 14,919 hrs · 16,991 cycles

WITH BATTERY POWER OFF, EMERGENCY EXIT LIGHT INOPERATIVE AT FWD OVERHEAD AND WINDOW EXIT LIGHT. REMOVED AND REPLACED EMERGENCY BATTERY PACK AT 43WL IAW JIC NR33-51-71. OP CK OK.

Part: EEC — SURGES (ENGINE)

EN ROUTE AT 5,000 MSL, NR 2 ENGINE EXPERIENCED LARGE POWER SURGES. RT TQ WAS BETWEEN 50-102.5 PERCENT ON DIGITAL INDICATOR. POWER WAS REDUCED BELOW THE `NOTCH` AND ENGINE STABILIZED AND RAN NORMAL WITH NO FURTHER PROBLEMS. SWAP EEC`S FROM LT TO RT ENGINE FOR TROUBLESHOOT PURPOSE AS PER JIC 72-01-00. REPLACED NR 2 MFC AS PER 31-48-81, OPS CHECK ON GROUND OK. (M)

Part: EEC — DEFECTIVE (NR 2 ENGINE)

FLT 5100 - EIS-SJU - WHILE IN TAXIING, NR 2 ENGINE UNCOMMANDED FEATHER 3 TIMES. NO EEC FAILURE, NP DROPPED 40 PERCENT AND TQ TO 0 PERCENT. VERIFIED NR 2 ENGINE RIGGING, READ AND ERASED PEC MEMORY AS PER 31-30-00. TRIM PEC AND EEC. AFTER TROUBLESHOOT READ PEC CODES SHOWING NR 2 EEC FAULT. REMOVED AND REPLACED NR 2 EEC AS PER JIC 73-23-61. RUN UP PERFORMED AND FOUND NO CODE REGISTERED IAW 72-00-00. (M)

Part: ACM — BURNED (NR 1)

FLT 5195 - ANU-SJU - DURING CLIMB, STRONG BURNING ODOR NOTED WHEN LT BLEED WAS SELECTED ON. APPEARS TO BE THE PACK SYSTEM. (M)

Part: SENSOR — DEFECTIVE (NR 2 TORQUE)

WHILE IN CLIMB, NR 2 ENGINE TQ FLUX OF 10 PERCENT AT 1,000 FTS, AFTER TAKEOFF INCREASE 20-30 PERCENT. RETURNED TO AIRPORT AND IN FINAL WENT TO 0 PERCENT THEN BACK TO 78 PERCENT TWICE. ENGINE WAS SHUTDOWN. EMERGENCY LANDING PERFORMED. REMOVED AND REPLACED RT INBOARD TQ SENSOR AND CONNECTED GROUND WIRE ON PVM AS PER JIC 61-22-00, OPT CHECK FOUND OK. NO FLUX NOTED AS PER JIC 77-13-61. (M)

Part: CONNECTOR — DIRTY (RT ENGINE)

DURING CLIMBOUT, THE RT ENGINE HAD A TORQUE FLUCTUATION OF 10-20 PERCENT. CREW PERFORMED A PRECAUTIONARY SHUTDOWN AND RETURNED. CLEANED TORQUE SENSOR CONNECTOR PLUG. OPERATIONAL CHECK FOUND NO MORE FLUCTIONS. (K)

Part: BATTERY PACK — DISCHARGED (CABIN)

MIA - DUIRNG SCHEDULED PS CHECK, MAINTENANCE REPORTED VERBAL FROM A PILOT, THE EMERGENCY BATTERIES (EMERGENCY LIGHTS) WERE DEAD. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACKS IN EMERGENCY POWER SUPPLY UNITS 43WL AND 73WL IAW ATR MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: POWER SUPPLY — DISCHARGED (CABIN)

MIA - FLT 5021 - CREW REPORTED CABIN INTERIOR EMERGENCY LIGHTING TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFT POWER SUPPLY UNIT IAW ATR MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

SAW - DURING CPCP4 INSPECTION, CORROSION WAS FOUND ON THE FOLLOWING SEAT TRACKS, LEFT FORWARD OUTBOARD, LEFT AFT OUTBOARD, AND LEFT AFT INBOARD. THE SEAT TRACKS WERE REMOVED AND REPLACED (P/N S53375001214, S53678001244-245, S53678001246) IAW WITH AE EO E2-53MR-115R1. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

SAW - DURING CPCP4 INSPECTION, CORROSION WAS FOUND ON FLOORBEAM 39. THE FLOORBEAM WAS REMOVED AND REPLACED IAW ATR 72 SRM 51-25-01. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BRACKET — CORRODED (FUSELAGE)

SAW - DURING MBV INSPECTION MAINTENANCE, FOUND CORROSION ON THE PASSENGER DOOR SILL PLATE FORK AND AFT BRACKETS. MAINTENANCE REMOVED AND REPLACED THE FORK (P/N S5367129034801) AND BRACKET IAW ATR SRM 51-25-04. (M)

Part: SUPPORT — CORRODED (FUSELAGE)

MBV - DURING MBV INSPECTION MAINTENANCE, FOUND CORROSION ON THE RIGHT Z-MEMBER JUST FORWARD OF SERVICE DOOR. MAINTENANCE REMOVED AND REPLACED THE Z-MEMBER IAW ATR SRM 51-21-42. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

MBV - DURING MBV INSPECTION MAINTENANCE, FOUND CORROSION AROUND NUT PLATE HOLES ON FLOORBEAM 40. MAINTENANCE REPLACED FLOORBEAM 40 IAW ATR SRM 51-25-01. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

SAW - DURING MBV INSPECTION MAINTENANCE, FOUND CORROSION AROUND NUT PLATE HOLES ON FLOORBEAM 38. MAINTENANCE REPLACED FLOORBEAM 38 IAW ATR SRM 51-25-01. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

SAW - DURING MBV INSPECTION, MAINTENANCE FOUND CORROSION AROUND NUT PLATE HOLES ON FLOORBEAM 36. MAINTENANCE REPLACED FLOORBEAM 36 IAW ATR SRM 51-25-01 AND 51-15-03. (M)

Part: SUPPORT — CORRODED (FUSELAGE)

MBV - DURING MBV INSPECTION MAINTENANCE, FOUND CORROSION ON THE LEFT Z MEMBER INBOARD OF PASSENGER DOOR SPRING. MAINTENANCE REMOVED AND REPLACED THE Z-MEMBER IAW ATR SRM 51-21-42. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DFW - FLT 3620 - MAINTENANCE FOUND TWO FORWARD FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY POWER PACK AT LOCATION 46WL. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DFW - FLT 3656 - EMERGENCY FLOOR LIGHTING AT SEAT 6A INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT LAMP AT SEAT 6A. OPERATIONALLY CHECKED GOOD. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DFW - FOUND SEVERAL FLOOR PROXIMITY LIGHTS AND EXIT SIGN LIGHTS ARE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AT POWER SUPPLY UNIT 43WL IAW ATR MM. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BATTERY PACK — INOPERATIVE (CABIN)

DFW - FOUND EMERGENCY LIGHT ON PASSENGER DOOR INOPERATIVE. REMOVED AND REPLACED BATTERY PACK IAW AMM. OPS CHECK GOOD. (M)

Part: LIGHT — CORRODED (CABIN)

DFW - FLT 3737 - EMERGENCY EXIT FLOOR LIGHTS INOPERATIVE. FOUND PAX DOOR EMERGENCY LIGHT ASSEMBLY CORRODED. REMOVED AND REPLACED PAX DOOR EMERGENCY LIGHT ASSY IAW AMM. OPS CHECK GOOD. (M)

Part: FLASHLIGHT — INOPERATIVE (CABIN)

DFW - FLT 3551 - AFT CABIN EMERGENCY FLASHLIGHT INOPERATIVE. ISSUED MEL. REMOVED AND REPLACED FLASHLIGHT IAW AMM. OPS CHECK GOOD. (M)

Part: FAN — ODOR (CABIN)

FLIGHT ATTENDANT REPORTED THE SMELL OF BURNING INSULATION AROUND ROW EIGHT IN THE CABIN. THE SOURCE OF THE SMELL WAS DETERMINED TO BE FROM THE NR 2 RECIRCULATION FAN. RECIRCULATION FAN IS ALREADY ON MEL. (M)

Part: LIGHT — MALFUNCTIONED (CABIN)

DFW - FLT 3709 - CREW REPORTED MULTIPLE FLOOR PROXIMITY LIGHTS INOPERATIVE IN FORWARD CABIN. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

JAN - FLT 3578 - CREW REPORTED SEVERAL EMERGENCY LIGHTS ARE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY PACK AT POWER SUPPLY UNIT 62WL. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: SEAT TRACK — CORRODED (CABIN)

SAW - DURING MBV-2 INSPECTION, MAINTENANCE FOUND THE LEFT FLIGHT ATTENDANT SEAT TRACK CORRODED. MAINTENANCE REMOVED AND REPLACED SEAT TRACK IAW ENGINEERING ORDER E9-5300-013. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: PITOT TUBE — BLOCKED (AIRSPEED IND)

FLT 3709 - DFW - ON TAKEOFF AFTER POWER SET, ADU FAILED AND NO AIRSPEED INDICATION ON CAPT SIDE. AIRSPEED INDICATION WITH NO RED FLAGS. CLEARED BLOCKAGE IN NUMBER 1 PITOT LINE. OPS CHECK GOOD. (M)

Part: RELAY — INOPERATIVE (CABIN)

DFW - FLT 3753 - EMERGENCY LIGHTS ON FLIGHT ATTENDANT PANEL CAME ON DURING TAXI. REMOVED AND REPLACED RELAY 12LE. OPS CHECK GOOD. (M)

Part: PANEL — FAILED (COCKPIT)

DFW - FLT 3505 - ADVISORY DISPLAY UNIT SCREEN WENT BLANK AFTER TAKEOFF FOLLOWED BY ELECTRICAL SMELL IN THE COCKPIT AND CABIN. REMOVED AND REPLACED ADU. ALSO, REMOVED AND REPLACED ASSOCIATED CONTROL PANEL AS A PRECAUTION. AIRCRAFT REUTRNED TO SERVICE. REF: OPER CNTRL NR SIMA991791.

Part: ADU — FAILED (COCKPIT)

DFW - FLT 3505 - ADVISORY DISPLAY UNIT SCREEN WENT BLANK AFTER TAKEOFF FOLLOWED BY ELECTRICAL SMELL IN THE COCKPIT AND CABIN. REMOVED AND REPLACED ADU. ALSO, REMOVED AND REPLACED ASSOCIATED CONTROL PANEL AS A PRECAUTION. AIRCRAFT RETURNED TO SERVICE. REF: OPER CNTRL NR 99ZZZX2829. (X)

Part: BATTERY PACK — DISDCHARGED (CABIN)

SAW - DURING PS-2 INSPECTION, FOUND THE LEFT FORWARD CABIN EMERGENCY LIGHT BATTERY PACK DISCHARGED. REMOVED AND REPLACED THE BATTERY PACK AND OPERATIONAL CHECKED THE EMERGENCY LIGHTS IAW JIC 335121-RA-10000. AIRCRAFT RETURNED TO SERVICE. (X)