N39415
Registered owner: UNITED AIRLINES INC, IL (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
32 reports on file, 2012-06-20 – 2026-08-28.
Part: ATTACH ANGLE — CRACKED (ZONE 100) · airframe 57,202 hrs · 20,545 cycles
CRACKED LT VAPOR BARRIER UPPER ATTACH ANGLE, LBL 40. COMPLETED INSTALLATION OF LT VAPOR BARRIER UPPER ATTACH ANGLE IAW SRM 51-40-02-0G-0, & DWG 111A1000.
Part: COVER — DETACHED (ZONE 800) · airframe 57,171 hrs · 20,534 cycles
FLIGHT CREW REPORTED ON SEAT 20DEF EMERGENCY EXIT DOOR HAS A SMALL PANEL THAT HAD CAME LOOSE. ATTACHED EMERGENCY EXIT DOOR LIFT HANDLE COVER IAW AMM 52-22-51. OK FOR SERVICE.
Part: WIRE HARNESS — DAMAGED (ZONE 200) · airframe 56,744 hrs · 20,356 cycles
EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - FLOOR PROXIMITY LIGHT AT SEAT 26C INOP REPLACED WITH SERVICEABLE WHITE PROXIMITY FLOOR LIGHT, NO HELP. PUT ORIGINAL LIGHT BACK ON. SUSPECTED SEAT HARNESS NIS AT LAS REQUESTING DEFERRAL ALL LIGHTS OPERATE PER DDP MEL33160 TOMC APPROVED IAW MEL 3319E DDP C/W PLACARD INSTALLED RELAMPED FLOOR PROXIMITY LIGHT LAMP REF AMM 33-51-11-960-801. OPS CHECK GOOD AT THIS TIME. MEL PLACARD REMOVED.
Part: LIGHT — BROKEN (ZONE 200) · airframe 56,282 hrs · 20,155 cycles
EMER EXIT PATH LIGHT AT EXIT ROW BROKEN AT EXIT ROW BROKEN. WILL NOT ILLUMINATE INSTALLED 20ABC EXIT PATHWAY LIGHT REF AMM 33-51-11, OPS CHECK GOOD.
Earlier reports · 2012–2025 · 28 reports
2025
Part: GIRT BAR — LOOSE (ZONE 800) · airframe 53,324 hrs · 18,985 cycles
DOOR 1R GIRT BAR BRACKET LOOSE AND WILL NOT RETAIN GIRT BAR CLEANED DEBRIS FROM RETAINERS AT DOOR 1R, ARMED AND DISARMED SLIDE PER AMM 25-66-01. NO FAULTS NOTED, OK TO CONT.
2023
Part: SKIN — DAMAGED (R/H HORZ STAB) · airframe 49,474 hrs · 17,443 cycles
REPAIR R/H HORZ STAB LWR SKIN CUTOUT TO ACCESS RIB DAMAGE AT STAB STA 120.3 REPAIR AND EXT.LFEC INSP.WITH REPEAT INSP EVERY 9,000 FLT CYCLES REPAIRED SKIN IAW SRM 55-10-01-2R-11. REQUIRES DIP IAW TABLE 204. INSP THRESHOLD 56,000 TOTAL FLT CYCLES DETAILED VISUAL ADD EMP:U241494,U347296,U245894 VERIFIED
Part: SKIN — DAMAGED (L/H HORZ STAB) · airframe 49,474 hrs · 17,443 cycles
REPAIR L/H HORZ STAB LWR SKIN CUTOUT TO ACCESS RIB DAMAGE AT STAB STA 138.70 AND EXT.LFEC INSP.WITH REPEAT INSP EVERY 9,000 FLT CYCLES REPAIRED SKIN IAW SRM 55-10-01-2R-11. REQUIRES DIP IAW TABLE 204. INSP THRESHOLD 56,000 TOTAL FLT CYCLES DETAILED VISUAL INSP ADD EMP:U397695,U245894,U236064 VERIFIED
Part: LIGHT — INOPERATIVE (SEAT ROWS 15,20,) · airframe 48,956 hrs · 17,244 cycles
AISLE EMERGENCY EXIT SEAT MOUNTED LIGHTS DO NOT ILLUMINATE AT CONSECUTIVE SEAT ROWS 15,20, & 21 AND CONSECUTIVE SEAT ROWS 27,28,29,30, AND 31. ADDED PART BATTERY CHARGER P/N D717-02-030 FOUND FUSE BAD AT BATTERY CHARGER M1694 AND REPLACED, SEAT ROWS 15,20, &21 WORK CORRECTLY, AWAITING BATTERY TO PLACE IN POSITION M1673 AFT GALLEY AREA OVERHEAD. PARTS USED: 99-3351-3-0009,QTY :1 REPLACED BATTERY PACK PER AMM TASK 33-51-06-960-805. EMERGENCY LIGHTS CHECK GOOD. PARTS USED: 99-3351-3-0015,QTY :1
Part: ADIRU — UNKNOWN (LEFT SIDE) · airframe 48,777 hrs · 17,167 cycles
IRS 1 FAILED IN FLIGHT REMOVED AND REPLACED ADIRU 1 REF AMM 34-21-01/401. OPS TEST OK. REQUIRES CAT III TEST. PARTS USED: 29-3421-9-0010,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1925837 SN OFF 3729 UNIT, ADIRU, AI OFF 29-3421-9-0010 3729 ON 29-3421-9-0010 2018
2021
Part: SENSOR — FAILED (TE FLAPS) · airframe 42,982 hrs · 15,037 cycles
TRAILING EDGE FLAP ASSYMETRY. FLAPS STUCK AT 5 WITHIN 1 NEEDLE WIDTH OF EACH OTHER. ELECTRICALLY DROVE THE FLAPS TO 15 VIA ALTERNATE METHOD. IPC REFERENCE # IPC 27-59-01-05 27-53258. REPLACED TE FLAP NO. 1 SKEW SENSOR. REF FIM 27-51-TASK801, 27-59-00-730-80 AND IPC 27-59-01-05 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1171975 SN OFF 3713 OIL SERVICE ACCOMPLISHED AT FLL FOR FLT 2386 ON 12 JUL 00:41:21 ENGINE 2: 02 ADDED BY U085211 ENGINE 3: ENGINE 4: APU: SENSOR, FLAP, S OFF 29-2759-9-0002 3713 ON 29-2759-9-0002 3198 ENGINE 1: 02 ADDED BY U085211 ADD EMP:U077202 ADDITIONAL TECH ADDED
2019
Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,750 hrs · 13,501 cycles
EMERGENCY OVERWING EXIT LIGHTS INOP. REPLACED BATTERY PACK EMER PWR AND OPS CHECK GOOD, REF AMM 33-51-06-960-805. ACCOMPLISHED THE INSPECTION OF OVERWING EMERGENCY EXIT LIGHTS OPERATION. REF AMM 33-51-06-960-805.
2018
Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 33,644 hrs · 11,551 cycles
ROW 8 AISLE WHITE EMERGENCY LIGHT LENS MISSING. REPLACED THE LENS. OPS CHECKED GOOD.
Part: COVER — MISSING (CABIN) · airframe 33,616 hrs · 11,538 cycles
SEAT 20C EMERGENCY LIGHT LENS COVER MISSING RPL EMERGENCY LIGHT.
Part: LIGHT — UNKNOWN (CABIN) · airframe 33,547 hrs · 11,510 cycles
L2 DOOR EMERGENCY LIGHT INOPERATIVE. RESET AC POWER. THE EMERGENCY LIGHT OPS CHECKED GOOD. OK FOR SERVICE.
Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 33,547 hrs · 11,510 cycles
SEAT 12C EMERGENCY LIGHT LENS MISSING. REPLACED THE LENS. OPS CHECK GOOD, OK FOR SERVICE.
2017
Part: SIGN — LOOSE (EMERGENCY LIGHT) · airframe 32,924 hrs · 11,298 cycles
EMERGENCY EXIT SIGN IN THE AFT GALLEY WAS LOOSE. SECURED THE SIGN.
Part: SIGN — DETACHED (EMERGENCY LIGHTS) · airframe 32,859 hrs · 11,272 cycles
EMERGENCY EXIT SIGN FWD OF THE AFT GALLEY DETACHED FROM THE CEILING. SECURED THE SIGN.
Part: LIGHT — BROKEN (SEAT 8C) · airframe 32,273 hrs · 11,024 cycles
EMER PROX LIGHT SEAT FLOOR SEAT 08C BROKEN CYCLED EMERG LTS ON AND OFF AND REINSTALLED HOUSING TO SEAT. OPS CKS GOOD.
Part: FUSE — FAULTY (CABIN) · airframe 32,236 hrs · 11,012 cycles
EMERGENCY LIGHTS INOP ROWS 15,20 AND 21. REPLACED FUSES PER AMM 33-51-06-960-804.
Part: UNKNOWN — ODOR (GALLEY) · airframe 32,206 hrs · 11,001 cycles
F/A REPORT ELECTRIC ODOR AFT GALLEY AREA. OPS CHECKED ALL ELECTRICAL ITEMS IN AFT GALLEY. ALL CHECKED GOOD. NO FAULTS NOTED, NO SMOKE OR ELECTRICAL ODORS. OK.
Part: LIGHT — LOOSE (SEAT 24C) · airframe 32,029 hrs · 10,931 cycles
SEAT 24C EMERGENCY EXIT LIGHT NOT ATTACHED TO SEAT. SECURED NEW EMERGENCY LIGHT SHROUD AT SEAT 24C
Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 31,841 hrs · 10,857 cycles
VERIFIED CRACK USING HFEC IAW NDT MANUAL PART 6, 51-0 0-00-23 AND FOUND A 1 INCH CRACK AT RT HSS 129.5, PARALLEL TO RIB AND INBD OF DRAIN HOLE. REPAIRED IAW SRM 55-10-01 REPAIR 11.
Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 31,078 hrs · 10,593 cycles
EMERGENCY EXIT LIGHTS AT RIGHT SEATS 22-27 INOP. REPLACED BATTERY PACK AT SEAT 27 RT, REFERENCE AMM TASK 33-51-06-960-805. OPERATIONAL CHECK SATISFACTORY.
2015
Part: RIB — DAMAGED (RT HORIZ STAB) · airframe 24,479 hrs · 8,278 cycles
RIGHT HORIZONTAL STAB LOWER SKIN REQUIRES CUT OUT FOR ACCESS TO RIB 1 & 2 REPAIRS STATION 92.70. REPAIRED LOWER SKIN IAW ECRA 5510-02528.
Part: SKIN — CRACKED (RT HORIZ STAB) · airframe 24,479 hrs · 8,278 cycles
RIGHT HORIZONTAL STAB LOWER SKIN CRACKED AT STATION 138.7 FWD OF REAR SPAR. 1 1/4" CRACK MARKED IN BLACK MARKER CONFIRMED WITH HFEC 737 PART 6 51-00-00-23. CUT OUT DAMAGE. FABRICATED & INSTALLED REPAIR DOUBLER IAW ECRA 5510-02526. INITIATED DIP TO PERFORM DETAIL VISUAL & LFEC INSPECTION 56000 FLIGHT CYCLES AFTER INSTALLATION & INTERVALS OF 9,000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01, REPAIR 11 TABLE 204.
Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 24,479 hrs · 8,278 cycles
SEAT TRACK FASTENER HOLE CRACKED AT STATION 727B LBL 45.5 IAW NDT PAR 6 51-00-00-16. REPAIRED SEAT TRACK STATION 727B AT LBL 45.5 IAW ECRA 5320-02481 & EA 5320-02076 REV G OP 3.
Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 24,479 hrs · 8,278 cycles
SEAT TRACK FASTENER HOLE CRACKED AT STATION 727B, RBL 45.5 IAW NDT PART 6 51-00-00-16. REPAIRED SEAT TRACK STATION 727B AT RBL 45.5 IAW ECRA 5320-02482 & EA 5320-02076 REV G OP 4.
Part: SKIN — CRACKED (LT HORIZ STAB) · airframe 24,479 hrs · 8,278 cycles
LEFT HORIZONTAL STAB LOWER SKIN CRACKED AT STATION 147.9 & 17" FWD OF REAR SPAR. 1" CRACK MARKED IN BLACK MARKER CONFIRMED WITH HFEC IAW NDT 737 PART 6,51-00-00-23. CUT OUT DAMAGE. FABRICATED & INSTALLED REPAIR DOUBLER IAW ECRA 5510-02524. INITIATED DIP TO PERFORM A DETAIL VISUAL & LFEC INSPECTION 56,000 FLIGHT CYCLES AFTER INSTALLATION & AT INTERVALS OF 9,000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01 REPAIR 11 TABLE 204. QC IAW ECRA 5510-02524 LT HORIZONTAL LOWER SKIN REPAIR SRM 55-10-01 REPAIR 11 TABLE 203.
Part: SKIN — CRACKED (RT HORIZ STAB) · airframe 24,479 hrs · 8,278 cycles
RIGHT HORIZONTAL STAB LOWER SKIN CRACKED AT STATION 101.9 & 11" FWD OF REAR SPAR. 3/4" CRACK MARKED IN BLACK MARKER CONFIRMED WITH HFEC NDT 373 PART 6, 51-00-00-23. CUT OUT DAMAGE. FABRICATED & INSTALLED REPAIR DOUBLER IAW ECRA 5510-02525. INITIATED DIP TO PERFORM DETAIL VISUAL & LFEC INSPECTION AT 56,000 FLIGHT CYCLES AFTER INSTALLATION & INTERVALS OF 9,000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01 REPAIR 1 1 TABLE 204.
2013
Part: LATCH — UNSECURE (L1 DOOR) · airframe 17,735 hrs · 6,017 cycles
DOORS LIGHT ILLUMINATED ON TAKEOFF ROLL. REJECTED APPROX 140KIAS, DUE TO F/A SCREAMING. L1 DOOR REPORTED NOT LATCHED COMPLETELY - CD LATCH ENGAGEMENT REF AMM 52-11-00-820-802, ALL LATCH ENGAGE IN LIM, DOOR OPS CHECKED GOOD. PERFORMED HIGH ENERGY STOP INSPECTION, AMM 05-51-07, CHECKED GOOD.
2012
Part: APU — FAULTED · airframe 16,040 hrs · 5,392 cycles
WHILE SWITCHING FROM ENGINE BLEED TO APU BLEED IN PREPARATION FOR A BLEED OFF TAKEOFF, A THICK DARK SMOKE CAME OUT OF VENT SYS, PERFORMED APPROVED SMOKE IN COCKPIT/CABIN CHECK LIST. PERFORMED INSPECTION IAW AMM 05-51-26,FAULT WITH APU 49-94299, FAIL ATTEMPED START. RAN BOTH ENGS.AND PACKS, ISOLATION CLOSED NO BLEED OR PACK DISCREPANIES, REF L.P. 7280560/61 FOR APU PLACARD AND DIP TO REPLACE FILTERS. FAULT DATA FAULT CODE 1: 49-94299 FAULT COMMENTS : STARTER GENERATOR OIL FILTER SHOWS CLOGGED.
Part: SKIN — CRACKED (HORIZONTAL STAB) · airframe 14,843 hrs · 4,945 cycles
SUPPORT TASK LT HORIZ STABILIZER LOWER INNER SPAR SKIN BY STA 157.50 FOUND .500 CRACK LOCATED 23.5 " AFT OF FWD SPAR SKIN REPAIRED IAW SRM 55-10-01, REPAIR 11. PERFORM INITIAL INSP 56000 FLT CYC AFTER REPAIR, THEN REINSPECT EVERY 9000 FLT CYC IAW SRM 55-10-01 REPAIR 11 STEP 5 TABLE 204 OF PAGE 216.