N502LX

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED LEVEL 2 CORROSION ON THE RT OTBD WING TOP SKIN, PN:85714201 AT BS YW281.019. MAINTENANCE REPAIRED AREA ON THE RT OTBD WING TOP SKIN, PN:85714201 AT BS YW281.019 IAW DWG RD 8/4-57-3068. ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FITTING — CORRODED (SEAT TRACK) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

MAINTENANCE REPORTED CORROSION ON SEAT TRACK FITTINGS BETWEEN BS 698 - 722.102. MAINTENANCE R & R THE SEAT TRACK FITTINGS IAW AMM 25-33-00.

Part: SKIN — DENTED (LT ELEVATOR) · airframe 12,439 hrs · 12,737 cycles

WHILE ACFT WAS IN FOR HEAVY CHECK. MAINTENANCE REPORTED MULTIPLE DENTS ON THE UPPER SURFACE OF THE LT ELEVATOR SKIN. MAINTENANCE PERFORMED A, MAJOR REPAIR ON THE UPPER SURFACE OF THE LT ELEVATOR SKIN IAW RD 8/4-55-1226, MATERIAL USED FROM PO 74426, 2024 T-3 AT .040.

Part: CHANNEL — CORRODED (THRESHOLD) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED LEVEL 2 CORROSION AT THE FORWARD PASSENGER DOOR THRESHOLD, PN:85329539-105 AND THE SUPPORT CHANNEL ASSY, PN:85329540-001. MAINTENANCE R & R THE FORWARD PAX DOOR THRESHOLD, PN:85329539-105 AND THE SUPPORT CHANNEL ASSY, PN:85329540-001 IAW SRM 51-42-05, 53-20-23 AND 51-40-07.

Part: THRESHOLD — CORRODED · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING MAINTENANCE REPORTED LEVEL 2 CORROSION AT THE FORWARD PASSENGER DOOR THRESHOLD, PN:85329539-105 AND THE SUPPORT CHANNEL ASSY, PN:85329540-001. MAINTENANCE R & R THE FORWARD PASSENGER DOOR THRESHOLD, PN:85329539-105 AND THE SUPPORT CHANNEL ASSY. PN:85329540-001, IAW SRM 51-42-05, 53-20-23 AND 51-40-07 ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: ANGLE — CORRODED (BS 668-698) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED CORROSION ON THE EDGE ANGLE AT THE AFT PASSENGER DOOR BELOW THE THRESHOLD. MAINTENANCE R & R THE EDGE ANGLE AT THE AFT PASSENGER DOOR BELOW THE THRESHOLD IAW SRM 51-42-45, 51-40-15 AND 51-42-05.

Part: SEAT TRACK — CORRODED (BS 685-836) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED CORROSION ON THE RT INBD SEAT TRACK BETWEEN BS X685.5 TO X836.00. MAINTENANCE R & R THE RT INBD SEAT TRACK IAW SRM 51-41-05, 51-42-05 AND 51-40-07.

Part: SKIN — DENTED (ZONE 100) · airframe 12,439 hrs · 12,737 cycles

WHILE ACFT WAS IN FOR HEAVY CHECK. MAINTENANCE REPORTED A DENT ON THE RT FUSELAGE SKIN PANEL BETWEEN BS X32.40-X49.50 AND STR 29S-30S. MAINTENANCE PERFORMED A "MAJOR" REPAIR TO THE RT FUSELAGE SKIN PANEL BETWEEN BS X32.40-X49.50 AND STR 29S-30S IAW RD 8/4-53-7220. MATERIAL USED FROM PO: E-0034, 2024 T-3 AT .050.

Part: SEAT TRACK — CORRODED (BS 228-570) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING MAINTENANCE, REPORTED CORROSION ON SEAT TRACK AND SPLICE BETWEEN BS 228 AND 570. MAINTENANCE R & R THE SEAT TRACK IAW SRM 51-40-15, 51-42-05, 51-40-07 AND 51-41-05.

Part: SEAT TRACK — CORRODED (BS 664-636) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED CORROSION ON THE LT INBD SEAT TRACK BETWEEN BS 664.5 - 836.452. R & R THE SEAT TRACK IAW SRM 51-40-07, 51-42-05, 51-40-05 AND 51-40-15.

Part: SPLICE — CORRODED (BS 228-570) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED CORROSION ON SEAT TRACK SPLICE BETWEEN BS 228 AND 570. MAINTENANCE R & R THE SEAT TRACK SPLICE IAW SRM 51-40-15, 51-42-05, 51-40-07 AND 51-41-05.

Part: SEAT TRACK — CORRODED (BS 610-678) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED CORROSION ON THE RT INBD SEAT TRACK BETWEEN BS X610.00 TO X678.400. MAINTENANCE R & R THE RT INBD SEAT TRACK IAW SRM 51-42-05, 51-41-05, 51-40-15 AND 51-40-07.

Part: MOUNT — CORRODED (NR 2 ENGINE) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED LEVEL 2 CORROSION ON THE NR 2 ENGINE, FORWARD LT ISOLATOR MOUNT. MAINTENANCE R & R THE FORWARD LT ISOLATOR MOUNT ON THE NR 2 ENGINE IAW AMM 71-21-01. ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: MOUNT — CORRODED (NR 2 ENGINE) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING MAINTENANCE, REPORTED CORROSION ON THE NR 2 ENGINE FWD RT ENGINE MOUNT ASSEMBLY. MAINTENANCE R & R THE NR 2 ENGINE FORWARD RT ENGINE MOUNT ASSEMBLY IAW AMM 71-21-06. ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: MOUNT — CORRODED (NR 2 ENGINE) · corrosion level 2 · airframe 12,439 hrs · 12,737 cycles

DURING HEAVY CHECK, MAINTENANCE REPORTED LEVEL 2 CORROSION ON THE NR 2 ENGINE TO THE TOP ISOLATOR MOUNT. MAINTENANCE R & R THE TOP ISOLATOR MOUNT ON THE NR 2 ENGINE IAW AMM 71-21-11.

Part: SKIN — DAMAGED (DOOR) · airframe 12,439 hrs · 12,737 cycles

WHILE ACFT WAS IN FOR HEAVY CHECK, MAINTENANCE REPORTED A DENT ON THE OUTER SKIN OF THE AIRSTAIR DOOR SHELL BETWEEN FRAME X 1.78 TO X 16.70 ABOVE CROSS BEAM NR 5. MAINTENANCE PERFORMED A, MAJOR, REPAIR ON THE OUTER SKIN OF THE AIRSTAIR DOOR SHELL BETWEEN FRAME X 1.78 TO X 16.70 ABOVE CROSS BEAM NR 5 IAW RD 8/4-52-1415. MATERIAL USED FROM PO 5857, 2024 T-3 AT .063 ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: LIGHT — UNKNOWN (CABIN) · airframe 12,093 hrs · 12,385 cycles

CREW REPORTED THAT WHEN THE F/A CALL EMERGENCY LIGHT DOES NOT ILLUMINATE. OPS CHECKED THE EMERGENCY LIGHTS, FOUND GOOD IAW AMM.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 12,057 hrs · 12,337 cycles

MAINTENANCE FOUND THE RT FORWARD EMERGENCY EXIT SIGN INOPERATIVE. MAINTENANCE R & R NR 2 EMERGENCY BATTERY POWER SUPPLY IAW AMM AND OPS CHECKED GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 11,959 hrs · 12,221 cycles

CREW REPORTED THAT DURING THE 24 HOUR EMERGENCY LIGHT TEST, THE FORWARD LIGHTS CAME ON AND WENT RIGHT BACK OUT. THE LIGHTS IN THE BACK STAYED ON AND THEN WENT OUT ONCE SWITCH IS TURNED TO THE ARMED POSITION. ACFT WAS FLOWN VIA MAINTENANCE FERRY WHERE MAINTENANCE R & R FORWARD EMERGENCY LIGHT POWER PACK IAW AMM. ACFT OPS CHECKED GOOD.

Part: BATTERY PACK — DISCHARGED (FLASHLIGHT) · airframe 11,934 hrs · 12,192 cycles

CREW REPORTED THAT THE FWD F/A FLASHLIGHT WAS VERY DIM. MAINTENANCE R & R FORWARD F/A FLASHLIGHT BATTERIES IAW AMM AND OPS CHECKED GOOD.

Part: BATTERY PACK — INOPERATIVE (AFT FLASHLIGHT) · airframe 11,473 hrs · 11,739 cycles

CREW REPORTED THAT THE AFT F/A FLASHLIGHT WAS VERY DIM. MAINTENANCE R & R AFT F/A FLASHLIGHT BATTERIES IAW AMM AND OPS CHECKED GOOD.

Part: TIRE — FAILED (MLG) · airframe 11,280 hrs · 11,551 cycles

CREW WAS CONTACTED, ADVISING THAT AN ACFT HAD BLOWN A TIRE. ABOUT 15 MILES FROM DESTINATION, CREW LOWERED LANDING GEAR AND WAS ADVISED BY F/A THAT THE NR 2 TIRE HAD BLOWN. CREW DECLARED AN EMERGENCY AND WITH PASSENGERS BRACING, CREW LANDED IN WITHOUT INCIDENT. CREW STOPPED ON RUNWAY AND ONCE CLEARED BY FIRE DEPARTMENT, TAXIED TO GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND LEFT INBD TIRE BLOWN AND 3 OF THE GEAR DOORS DAMAGED. MAINTENANCE R & R BOTH LT MAIN TIRES, REMOVED MLG FAIRINGS AND PLACED ON CDL AND APPLIED SPEEDTAPE OVER DAMAGE ON ALL GEAR DOORS IAW AMM. ACFT WAS FLOWN VIA MAINTENANCE FERRY, WHERE REPAIRS ARE BEING COMPLETED. ACFT REMAINS OUT OF SERVICE.

Part: BATTERY PACK — INOPERATIVE (FLASHLIGHT) · airframe 11,087 hrs · 11,346 cycles

CREW REPORTED THAT THE AFT F/A FLASHLIGHT BATTERIES WERE INOPERATIVE. MAINTENANCE R & R AFT F/A BATTERIES IAW AMM AND OPS CHECKED GOOD.

Part: BATTERY PACK — DISCHARGED (MEGAPHONE) · airframe 10,978 hrs · 11,229 cycles

MAINTENANCE REPORTED THAT THE FORWARD F/A MEGA PHONE BATTERY WAS LOW. MAINTENANCE REPLACED THE FORWARD F/A MEGA PHONE BATTERIES IAW AMM AND OPS CHECKED GOOD.

Part: BATTERY PACK — DISCHARGED (FWD FLASHLIGHT) · airframe 10,978 hrs · 11,229 cycles

MAINTENANCE REPORTED THAT THE FORWARD F/A FLASHLIGHT BATTERY WAS DISCHARGED. MAINTENANCE REPLACED THE BATTERIES IAW AMM AND OPS CHECKED GOOD.

Part: FLASHLIGHT — MALFUNCTIONED (AFT CABIN) · airframe 10,720 hrs · 10,963 cycles

CREW REPORTED THAT THE AFT F/A FLASHLIGHT WAS INOPERATIVE. MAINTENANCE INSPECTED IAW AMM AND AFT F/A FLASHLIGHT. OPS CHECKED GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 10,294 hrs · 10,549 cycles

MAINTENANCE REPORTED THAT THE AFT EMERGENCY LIGHTS STAY ON AFTER POWER DOWN. MAINTENANCE R & R THE AFT EMERGENCY LIGHT POWER SUPPLY IAW AMM AND OPS CHECKED GOOD.

Part: LENS — DIRTY (EMERGENCY LIGHT) · airframe 9,686 hrs · 9,921 cycles

CREW REPORED THAT THE EMERGENCY LIGHT AT ROW 1 WAS BROKEN. MAINTENANCE CLEANED EMERGENCY LIGHT IAW AMM. OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.

Part: DOOR — LACK OF LUBE (ZONE 800) · airframe 9,029 hrs · 9,248 cycles

CREW REPORTED THAT THE MAIN CABIN DOOR HANDLE WAS STIFF AND HARD TO OPERATE. MX LUBED AIRSTAIR DOOR IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 9,009 hrs · 9,226 cycles

DURING HEAVY CHECK, CORROSION WAS FOUND ON THE LT ISLE SEAT TRACK BETWEEN BS 570 - 668.9. R & R SEAT TRACK IAW SRM 51-40-15, 51-40-07, 51-42-05 & 51-25-15.

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 9,009 hrs · 9,226 cycles

DURING HEAVY CHECK, CORROSION WAS FOUND ON THE RT INBD SEAT TRACK BETWEEN BS 236 - 570. R & R SEAT TRACK IAW SRM 51-42-05, 51-40-15 & 51-41-05.

Part: PSU — UNSECURE (CABIN) · airframe 8,588 hrs · 8,789 cycles

CREW REPORTED THAT THE PSU OVER SEAT 8D FELL DOWN. MAINTENANCE RE-SECURED PSU PANEL PER BOMBA AMM AND OPS CHECKED GOOD.

Part: TIRE — SEPARATED (RT MLG) · airframe 8,353 hrs · 8,580 cycles

ABOUT 15 MINUTES INTO FLIGHT FROM DEN - MCI CREW WAS NOTIFIED BY ATC THAT TIRE DEBRIS WAS FOUND SHORTLY AFTER THEIR TAKEOFF. ATC COULD NOT CONFIRM IT CAME FROM THIS AIRCRAFT. UPON APPROACH INTO MCI, CREW LOWERED GEAR SO A DEADHEADING CAPTAIN COULD VISUALLY INSPECT TIRES & LANDING GEAR. DEADHEADING CAPTAIN CONFIRMED DAMAGED TIRE ON THE RIGHT INBOARD MAIN LANDING GEAR. CAPTAIN DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND TIRE TREAD CAME APART AND CAUSED DAMAGED TO THE MAIN LANDING GEAR DOORS AND ENGINE NACELLE. MAINTENANCE REPLACED TIRES AND GEAR DOOR PER BOMBA AMM AND OPS CHECKED GOOD.

Part: PBE — DAMAGED (COCKPIT) · airframe 8,207 hrs · 8,450 cycles

CREW REPORTED PBE DAMAGED. MAINTENANCE REMOVED AND REPLACED AFT LEFT PBE PER BOMBA AMM. NO DEFECTS NOTED.

Part: PLACARD — MISSING (CABIN) · airframe 8,146 hrs · 8,378 cycles

PILOT DISCOVERED OVERHEAD BIN EMERGENCY PLACARDS MISSING. MAINTENANCE PLACED PLACARDS ON NEF PER BOMBA AMM.

Part: FRAME SPLICE — CRACKED (FUSELAGE) · airframe 7,950 hrs · 8,190 cycles

WHILE IN FOR HEAVY MAINT. FOUND LT UPPER X-98.00 STR 15A FRAME SPLICE CRACKED AT RADIUS 1/2 LONG. MX REMOVED AND REPLACED FRAME DOUBLER P/N 85313577-103 IAW RD#8/4-53-4820 ISSUE 1 DATED 17 SEPT 2012. A/C REMAINS IN TUS FOR COMPLETION.

Part: SKIN — DENTED (RUDDER) · airframe 7,950 hrs · 8,190 cycles

HAIL DAMAGE/DENTS TO LEFT SIDE FORE RUDDER UPPER SKIN P/N 85547102-105. BTAC MX REMOVED AND REPLACED THE LEFT SIDE FORE RUDDER UPPER SKIN IAW Q 400 SRM 51-42-05, 51-42-15. ALL WORK PERFORMED ON BTAC JOB 8416815 OP 68. A/C REMAINS IN TUS FOR COMPLETION.

Part: SKIN — DENTED (FUSELAGE) · airframe 7,950 hrs · 8,190 cycles

HAIL DENTS/DAMAGE TO TOP SKIN P/N 85360111-111 THAT GOES UNDER WING. MX BTAC REMOVED AND REPLACED FUSELAGE SKIN THAT GOES UNDER WING IAW DER RD # 8/4-53-4632 DATED 5 JULY 2012. A/C REMAINS IN TUS FOR A/C COMPLETION.

Part: SKIN — DENTED (FUSELAGE) · airframe 7,950 hrs · 8,190 cycles

***MAJOR*** A/C HAS HAIL DAMAGE TO TOP FUSELAGE SKIN THAT GOES UNDER WING BETWEEN STN X234.475 - X301.00, BETWEEN STR 8S AND STR 8P. P/N 85360111-111. MX SPLICED SKIN AT X301.00 AND REMOVED AND REPLACED WITH NEW SKIN IAW BOMBARDIER RD 8/4-53-4632. DATED 5-JUL-12. A/C REMAINS IN TUS FOR COMPLETION. SKIN P/N 85360111-111.

Part: SKIN — DENTED (LT HORIZ STAB) · airframe 7,950 hrs · 8,190 cycles

HAIL DAMAGE LEFT UPPER HORIZONTAL SKIN SURFACE P/N 85517100-105. MX BTAC REMOVED AND REPLACED TOP LEFT HORIZONTAL SKIN PANEL IAW Q400 SRM 51-42-05, 51-42-45, 51-40-15. ALL WORK PERFORMED ON BTAC JOB 8416815 OP 5012. A/C REMAINS IN TUS FOR A/C COMPLETION.

Part: SKIN — DENTED (RUDDER) · airframe 7,950 hrs · 8,190 cycles

HAIL DAMAGE/DENTS TO FORE RUDDER LOWER SKIN PANEL P/N 85547101-105. BTAC MX REMOVED AND REPLACED THE FORE RUDDER LOWER SKIN PANEL IAW Q 400 SRM 51-40-07, 51-42-15, 51-42-05. ALL WORK PERFORMED ON BTAC JOB 8416815 OP 5010. A/C REMAINS IN TUS FOR A/C COMPLETION.

Part: SKIN — DENTED (RT HORIZ STAB) · airframe 7,950 hrs · 8,190 cycles

HAIL DENTS/DAMAGE TO RIGHT UPPER HORIZONTAL SKIN PANEL P/N 85517100-106. BTAC MX REMOVED AND REPLACED THE RIGHT UPPER HORIZONTAL SKIN PANEL IAW Q400 SRM 51-42-05, 51-42-45, 51-40-15. ALL WORK PERFORMED ON BTAC JOB 8416815 OP 5013. A/C REMAINS IN TUS FOR A/C COMPLETION.

Part: SKIN — DENTED (RUDDER) · airframe 7,950 hrs · 8,190 cycles

HAIL DAMAGE/DENTS TO AFT RUDDER LOWER SKIN PANEL P/N 85547155-101. BTAC MX REMOVED AND REPLACED AFT RUDDER LOWER SKIN PANEL IAW Q400 SRM 51-42-05, 51-40-07, 51-42-05. ALL WORK PERFORMED ON BTAC JOB 8416815 OP 5011. A/C REMAINS IN TUS FOR A/C COMPLETION.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 7,913 hrs · 8,157 cycles

CREW REPORTED EMERGENCY LIGHTS ARE NOT COMING ON DURING TEST. MAINTENANCE CHARGED ALL EMERGENCY BATTERY PACKS AND OPS CHECKED GOOD PER BOMBDR AMM.

Part: CLAMP — BROKEN (GENERATOR) · airframe 6,068 hrs · 5,581 cycles

ACFT RETURNED TO DEPARTURE DUE TO THE NR2 ENGINE GENERATOR FAILURE AND LOSS OF OIL PRESSURE. CREW HAD TO SHUTDOWN AND FEATHER THE NR2 ENGINE. THE ACFT LANDED SAFELY AND WAS TOWED BACK TO THE GATE. MX DISCOVERED THAT THE NR2 ENGINE AC GENERATOR V-BAND CLAMP WAS BROKEN AND THE AC GENERATOR HAD FALLEN FROM THE MOUNTING PLATE. THE AC GENERATOR IS COOLED BY ENGINE OIL WHEN THE AC GENERATOR DETACHED FROM THE HSG THE OIL WAS PUMPED OUT OF THE ENGINE RESULTING IN THE CREW COMMANDED ENGINE SHUTDOWN.

Part: BEARING — FAILED (NR 4 MLG) · airframe 971 hrs · 743 cycles

NR 4 MLG WHEEL ASSY OB BEARING ASSY FAILED DURING TAXI. REMOVED AND REPLACED RT MLG AXEL. REMOVED AND REPLACED RT MLG WHEEL SPEED TRANSDUCER. REMOVED AND REPLACED RT MLG NR 4 BRAKE ASSY. REMOVED AND REPLACED NR4 MLG WHEEL ASSY. REF LOG PAGES 005765,005766 AND 005767.

Part: BEARING — FAILED (NR 4 MLG) · airframe 971 hrs · 743 cycles

NR 4 MLG WHEEL ASSY OB BEARING ASSY FAILED DURING TAXI. REMOVED AND REPLACED RT MLG AXEL, WHEEL SPEED TRANSDUCER, NR4 BRAKE ASSY, AND NR4 MLG WHEEL ASSY. REF LOG PAGES 005765,005766 AND 005767.

Part: WINDSHIELD — FAILED (COCKP;IT) · airframe 277 hrs · 225 cycles

AT FL 250, THE FO WINDSHIELD OUTER PANE SHATTERED. CREW DECLARED AN EMERGENCY AND DIVERTED TO COS. MAINTENANCE WENT TO COS AND INSTALLED A NEW WINDSHIELD.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 277 hrs · 225 cycles

AT FL 250, THE FIRST OFFICERS WINDSHIELD OUTER PANE SHATTERED. CREW DECLARED AN EMERGENCY AND DIVERTED TO COS. MAINTENANCE WENT TO COS AND INSTALLED A NEW WINDSHIELD.