N36476
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.
29 reports on file, 2015-03-07 – 2026-08-28.
Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 40,873 hrs · 14,892 cycles
EMERGENCY LIGHTS - OPERATIONAL CHECK - FLOOR PROXIMITY LIGHT AT AISLE SEAT 11 INOP. REMOVED AND REPLACED EMERGENCY EXIT FLOOR PROXIMITY LIGHT ASSY AT AISLE SEAT 11. OPS CHECK GOOD. REF AMM 33-51-11-960-802.
Part: CONTROL PANEL — DAMAGED (ZONE 200) · airframe 40,512 hrs · 14,744 cycles
EMERGENCY LIGHT PANEL NEAR DOOR 1L IS DAMAGED REQUEST NEF, DAMAGED ENTRY THRESHOLD LIGHT WORKS NORMAL. NOTHING TO DO WITH EMERGENCY LIGHTS. TOMC APPROVES NEF 2510BT FOR GALLEY TRIM PANEL AROUND LIGHT DAMAGED. LIGHT WORKS. SECURED IN PLACE WITH ORIGINAL FASTENERS. PLACED ON NEF. REMOVED AND REPLACED LENS IAW MM 33-51-03.
Part: UNKNOWN — ODOR (CABIN) · airframe 40,458 hrs · 14,718 cycles
FA REPORTS STRONG PLASTIC BURNING ODOR FROM ROW 38 WHEN AIR TEMP IS WARMED UP. CAPTIAN STATED THAT THE FLIGHT CREW SMELLED A BURNED PLASTIC ODOR WHILE USING AFT OVEN. FLIGHT ATTENDENT STATED THEY THINK THEY LEFT THE OVEN DOOR SLIGHTLY OPEN AND THE SMELLED CAME FROM THEIR. FLIGHT ATTENDENT STATED THE SMELL WENT AWAY AND IT WAS NOT A ISSUE THRU THE FLIGHT. PERFORMED OPS CHECK IN REF AMM TASK 05-51-26-800-801-C1. OP CHECK GOOD NO PLASTIC BURNING SMELL NOTED. OK FOR SERVICE.
Part: WIRE — DISCONNECTED (ZONE 200) · airframe 40,144 hrs · 14,585 cycles
EMERGENCY SEAT PATH LIGHT IN SEAT 11ABC INOP. RELAMPED EMERGENCY LIGHT SEAT 11ABC IAW AMM 33-51-11-960-801, NO HELP. DISCONNECTED SEAT 11ABC AND PERFORMED POWER CHECK REF AMM 33-51-00-710-801. FOUND NO VOLTAGE DC AT SEAT HARNESS TO LIGHT CONNECTOR OR CONNECTOR FROM CABLE RACEWAY WIRING TO SEAT. FOUND GROUND WIRE PULLED OUT OF SPLICE IN CABLE RACEWAY REF SSM 33-51-21-108. RETERMNATED GROUND WIRE FOR SEAT 11ABC EMERGENCY PATH LIGHT LOCATED IN CABLE RACEWAY IAW DWG 3350DD15295D AND SWPM 20-30-12. PERFORMED SATISFACTORY OPS CHECK IAW AMM 33-51-00-710-801, OK TO CONTINUE.
Part: OVEN — DIRTY (ZONE 900) · airframe 40,087 hrs · 14,555 cycles
FA REPORTS AFT GALLEY OVEN 425 HAS BAD SMELL CLEANED GALLEY OVEN 425 REF. AMM 25-34-00. OPS CHECK SAT. SMELLS NORMAL AFTER CLEANING.
Earlier reports · 2015–2025 · 24 reports
2025
Part: LENS — DAMAGED (ZONE 200) · airframe 38,829 hrs · 14,021 cycles
1L DOOR LIGHT LENS DAMAGED DUE DOOR BEEN OUT OF SEQUENS REPLACED LENS NO OTHER DEFECTS, OPENED AND CLOSED-DOOR NO ISSUES.PARTS USED: 29-3351-3-0073, QTY :1
Part: LIGHT — DETACHED (ZONE 200) · airframe 38,277 hrs · 13,791 cycles
14C EMERGENCY EXIT GUIDE LIGHT IS DANGELING DOWN TOWARD THE AISL E. REMOVED EMERGENCY PATH LIGHT HOUSING DUE TO ITBEING BROKEN. NO LIGHT AT 14C. ALL OTHER LIGHTS OK. REQUEST TO PLACE ON MEL. MEL 3319E ALL LIGHTS WITHIN TWO SEAT ROWS OF THE TYPE III EXIT (OVERWING EMERGENCY EXIT) MUST BE OPERATIVE. ROW 14 AND 15 MUST WORK DUE TO LIGHT HOUSING AT 14C BEING BROKEN, SWAPPED WITH LIGHT FROM 11C. PATH LIGHT AT 11C IS NOW MISSING AND 14 C IS OPERATIONAL. INSTALLED NEW HOUSING AND FLOOR PROXIMITY LIGHT ASSY. REF TASK 33-51-11-960-802. OPS. CK. GOOD. REMOVED PLACARD. MEL REMOVED
Part: SENSOR — DIRTY (ZONE 800) · airframe 37,651 hrs · 13,540 cycles
FWD ENTRY LIGHT CAME ON AFTER LANDING. COMPLIED WITH MEL. FWD ENTRY DOOR WARNING LIGHT - MEL 5203E ONLY PART A OF DEFERRAL ACCOMPLISHED, NO NEED TO DO PART B *DM* REF. FIM 52-10 TASK 801 FOR FAULT ISOLATION. PERFORMED FWD ENTRY DOOR INDICATION SENSOR TEST (S199 SENSOR) REF. AMM 52-71-11-710-801. CHECKED INDICATION FOR ENTRY DOOR VIA COCKPIT AND ON PSEU. BOTH ARE INDICATING AS THEY SHOULD BE. AS AN ADDITIONAL PRECAUTION SENSOR CONTACTS WERE CLEANED OFF AS THERE WAS DUST BUILT UP INBETWEEN SENSOR AND TARGET.
Part: WARNING LIGHT — FALSE ACTIVATION (ZONE 800) · airframe 37,644 hrs · 13,537 cycles
DOOR WARNING ANNUNCIATOR IS ON FWD ENTRY ON TOUCHDOWN DOOR LIGHT TRIGGERED. FA PUSHED ON HANDLE AND LIGHT EXTINGUISHED. VERIFIED DOOR CLOSE N OPEN INDICATION OPS CHECK GOOD CLEANED TARGET OK TO CONTINUE REF AMM 52-71-00
Part: SKIN — CRACKED (ZONE 500) · airframe 37,594 hrs · 13,518 cycles
CRACK INDICATIONS FOUND AT LH SIDE WING FIXED LEADING EDGE UPPER SKIN PANEL AT HOLES #12, #13 & #14 , WHICH HAD BEEN PREVIOUSLY REEMED TO 2ND OVERSIZE. ACCOMPLISHED REPAIR AT LH WING LE FASTENERS REF: EC/RA 5741-01655 AND AAR ESR 8-12317,
Part: SKIN — CRACKED (ZONE 600 LE) · airframe 37,594 hrs · 13,518 cycles
CRACK INDICATIONS FOUND AT RH SIDE WING FIXED LEADING EDGE UPPER SKIN AT FASTENER HOLES #9, #10 & #11, WHICH HAD BEEN PREVIOUSLY REEMED TO 2ND OVERSIZE. REF AAR N/R 9981585 ESFR INFORMATION ENTERED. ACCOMPLISHED REPAIR AT RH WING UPPER SKIN REF UAL EC/RA 5741-01654 AND AAR ESR 7-12316, REF LOGPAGE 5085960 WORK ACCOMPLISHED BY V891002
Part: SKIN — DEFORMED (ZONE 100) · airframe 37,594 hrs · 13,518 cycles
LOWER FUSELAGE FORWARD CARGO DOOR CUTOUT AFT EDGE SKIN DENTED NEAR B.S. 492.4 BETWEEN STRINGERS 20R AND 21R. ACCOMPLISHED SKIN DOUBLERS REPAIR AT RT FUSELAGE FWD CARGO DOOR CUTOUT AFT SECTION IAW SRM 53-00-01-2R-24 FIGURE 202 DETAIL 1 PAGE 6.
Part: LIGHT — DETACHED (ZONE 200) · airframe 36,731 hrs · 13,191 cycles
L1 EMERGENCY LIGHT BROKEN. CONFIRMED ISSUE WAS NOT WITH THE EMERGENCY LIGHT ENTRY DOOR 1L LIGHT FELL OFF , REINSTALLED REF AMM 33-29-00 OPS CHECKS OK. CONFIRMED ISSUE WAS NOT WITH THE EMERGENCY LIGHT ENTRY DOOR 1L LIGHT FELL OFF , REINSTALLED REF AMM 33-29-00 OPS CHECKS OK.
2024
Part: LIGHT — NO TEST (ZONE 200) · airframe 36,460 hrs · 13,076 cycles
EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - L/H FWD EMERGENCY OVERWING EXIT LIGHT INOP. REPLACED POWER SUPPLY FUSE REF AMM 33-51-06-960-804. OPS CHECK GOOD.PARTS USED: 99-3351-3-3054, QTY :1
Part: FUSE — BROKEN (ZONE 200) · airframe 36,435 hrs · 13,067 cycles
EMER EXIT LIGHTS ROW 7 -14 INOP FUSE BROKE OFF INSIDE OF LEFT SIDE ROW 8 POWER SUPPLY, REPLACED POWER SUPPLY AND BATTERY PACK. OPS CHECKS GOOD. REF AMM 33-51-06/401.
Part: PROXIMITY SWITCH — INOPERATIVE (ZONE 800) · airframe 36,274 hrs · 13,004 cycles
FOUND AFT CARGO DOOR PROXIMITY SWITCH/INTERLOCK TO BE INOP. STUCK IN CLOSED POSITION. REF LOGPAGE 9899466. PLUNGER/ACTUATOR WILL NOT PUSH BACK OUT AFTER DOOR IS OPEN. REQUESTING MEL 5203A TO BE APPLIED FOR AFT CARGO DOOR WARNING LIGHT DISPATCH DESK: 18 NAME: JF DATE: 19-NOV-24.NOC.DESK: 737 TOMC APPROVES AFT CARGO DOOR PROX SWITCH INOP. APPLIED MEL 5203A. TOMC APPROVED
Part: LIGHT — INTERMITTENT (NA) · airframe 34,952 hrs · 12,461 cycles
SEAT 36A SIDEWALL CEILING STRIP LIGHT ILLUMINATES RED. TURNS ON /OFF INTERMITT PLACING ON MEL. CB PULLED AND COLLARED TO PREVENT FLICKERING AND COLOR CHANGE. ENTIRE A/C LEFT SIDEWALL LIGHTS DEACTIVATED FOR MEL. ENOUGH LIGHTS REMAINS TOMC APPROVED PLACED SIDEWALL LIGHT 36A ON MEL. CB PULLED AND COLLARED FOR LEFT SIDEWALL LIGHTS. REMOVED AND REPLACED NEW SIDEWALL LIGHT ASSY AT ROW 36A,REF TO AMM 33-21-00.LIGHT IS OPS CKD NORMAL.OK TO CONTINUE.
2023
Part: ENGINE — WARNING MESSAGE (NR 2) · airframe 33,027 hrs · 11,742 cycles
ENG 2 FIRE/OVHT INDICATIONS DURING ENGINE START. R BOTTLE DISCHARGED C/W GMM 09-10-05 IDT FOR #2 ENGINE FIRE BOTTLE. FIRE BOTTLE WEIGHT & P/N CHECKED COMPLETED UP TO AND INCLUDING AMM 26-21-01-400-801 STEP 3.G.(8)(H). R&R FIRE BOTTLE FOR ENG #2, INSTALL WENT TO STEP 3(G)(8)H, REF 26-28-01-400-801. **CORRECTION** REF 26-21-01-400-801. CORRECTED FOR INSPECTION ADD. ADDED FOR INSPECTION ADD. PERFORMED REQIURED IDT INSP FOR THE REMAINDER OF RIGHT FIRE BOTTLE INSTALLATION AND OPS CHECK. REF AMM 26-21-01-400-801 STEP 3.G (8) (I) TO FINISH. FINISHED INSTALLATION OF ENGINE #2 FIRE BOTTLE FROM STEP 3.G.(8).(I). TO END.
Part: FLOAT VALVE — CLOGGED (FWD SILL DRAIN) · airframe 32,151 hrs · 11,381 cycles
FWD LAV NOW LEAKING TWICE THE RATE THEN EXPLAINED. VERY NASTY ODOR UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK.MAC METER INITIATED FOR WITH VENDOR ID V929091 MAC RELATED WORK ORDER 000000003080619 AND PRTR CHAVEZ, ALEJANDRO (V929091) INSPECTED FWD LAV AND FWD GALLEYAREA. NO EVIDENCE OF LEAKS AT THIS TIME. INSPECTED E&E COMPARTMENT. NO EVIDENCE OF LEAKS OR WATER DAMAGE. ACFT IS CURRENTLY DRY. CANNOT DUPLICATE FAULT ON GROUND. REACTIVATED TOILET RINSE WATER AT FWD LAV BY TURNING WATER SUPPLY VALVE ON. VERIFIED NO LEAKS. VERIFIED NO LEAKS COMING FROM FWD LAV TOILET / SINK. FOUND L1 DOOR SILL DRAINS CLOGGED. UPON FURTHER INVESTIGATION, FOUND FWD SILL DRAIN FLOAT VALVE CLOGGED FULL OF MUD/DEBRIS. CLEANED FWD SILL DRAIN FLOAT VALVE IAW CMM 38-31-05 PG 401. FULLY REINSTALLED FWD SILL DRAIN VALVE AND TUBING AND VERIFIED OPERATION IAW AMM 38-31-06.
Part: ELECTRONIC UNIT — FAULTY (LE FLAP/SLATS) · airframe 32,020 hrs · 11,328 cycles
LE FLAP TRANSIT LIGHT ON FINAL FLAPS 10 SPEED 190 FLIGHT CREW ADVISED THE FAULT WAS FOR THE #4 LEADING EDGE FLAP. FSEU EXISTING FAULT FLAP LEVER 27-51427. FLIGHT LEG 0 HAD 4 FAUL TS, SAME FLAP LEVER, LE SLAT EXT UCM 27-81354, L LE SL EXT UCM 2 7-81352 AND FSEU FAILED 27-51110. CONFIMED FSEU IS AT FAULT. REPLACED FLAP/SLAT ELECTRONICS UNIT INSTALLATION REFERENCE: TASK 27-51-01-400-801 . ALL TEST PAST. PARTS USED: 29-2751-9-0049, QTY :1 1684775,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1684775 SN OFF 0087 UNIT, FLAP & SL OFF 29-2751-9-0049 0087 ON 29-2751-9-0049 0756
Part: FILTER — ODOR (RECIRC FILTERS) · airframe 31,710 hrs · 11,204 cycles
BURNING OIL TYPE SMELL IN COCKPIT AND ENTIRE CABIN ON CLIMB OUT. RAN QRC SMOKE FIRE FUMES REPLACED BOTH RECIRCULATION FILTERS REF AMM 21-25-01. PARTS USED: 29-2124-3-0006,QTY :1 CREW DEBRIEF, "SMELL MORE "PUNGENT" ON CLIMBOUT BUT SEEMED TO CONDITIONAL INSP MM05-51-26-800-801-C. OVENS , COFFEEMAKERS, FILTERS REPLACED PRECAUTIONARY. DECREASE BY LANDING. NO ELECTRICAL SMELL PRESENT. ODOR CABIN EQUIPMENT GOOD. PERFORMED 10 MINUTE ENGINE RUN EMINATING FROM PACK SYSTEM." NOTE: #2 ENG WATER WASH PERFORMED MM71-00-00-800-808-F00 PACKS RUNNING. NO ODOR PRESENT. RAN ON OVERNIGHT VISIT... PERFORMED SMOKE/ODOR IN FLT DECK/ CABIN PACKS ON APU AIR 45 MINUTES, NO ODORS PRESENT. CABIN RECIRC
Part: HYDRAULIC SYSTEM — FLUCTUATES (A HYD SYS) · airframe 30,798 hrs · 10,852 cycles
A HYD SYS INDICATION FLUCTUATING FROM 60-78 PERCENT .REMOVED AND REPLACED HYD QTY TRANSMITTER IAW AMM 29-33-12-400-801 AND AMM 29-33-12-000-801 SERVICED HYDRAULIC A SYSTEM AND VERIFIED NO LEAKS. INDICATIONS ARE NORMAL.
2021
Part: SKIN — DELAMINATED (RT WING) · airframe 26,236 hrs · 9,194 cycles
DAILY MAINTENANCE REQUIREMENTS MUST BE COMPLIED WITH AS CONTAINE D IN LOG PAGE NUMBER 6676659, UPDATING DEFERRAL LOGPAGE NOT REQU IRED. EFFECTIVE GMT DATE: 08AUG21 TEXT FROM PARENT LOG PAGE: RIGHT WING T/EDGE AFT FLAP LOWER SKIN DELAMINATING APPROX 10" BY 10" AT INBOARD CORNER -- SEE PHOTO PERFORMED TAP TEST I.A.W. LOG PAGE 6676659, NO DAMAGE NOTED OK TO CONTINUE.
Part: COUPLER — FAILED (HF ANTENNA) · airframe 25,538 hrs · 8,943 cycles
HF 2 RADIO RECEPTION AND TRANSMISSION PROBLEM AT ALL STATIONS REQUESTING MEL.NEEDS T/S PLACED HF 2 ON MEL NO PARTS IN STOCK. ACCOMPLISHED OPS CK PER AMM 23-11-00-710-801 FOR HF 2 AND HF 1 . FOUND NO TRANSMIT AND RECEIVE PROBLEMS. ADD EMP:U266837 REOPEN LAX U249834 03MAY21 FOR: CLOSED PREMATURELY PLEASE REMOVE AND REPLACE THE #2 HF COUPLER AS REQUESTED BY TECH SUPPORT IN LOG 6222882. REF AMM 23-11-61. REMOVED AND REPLACED NO. 2 HF COUPLER PER REF.AMM 23-11-61-000-801.OPS CK GOOD.ROTABLE PARTS CHANGE WAS INDICATED-TT#1931389 SN OFF 6889 COUPLER,HF ANT OFF 29-2311-9-0012 6889 ON 29-2311-9-0012 2133
2018
Part: CHARGER — INOPERATIVE (EMERGENCY LIGHTS) · airframe 18,367 hrs · 6,282 cycles
EMERGENCY LIGHT BATTERY PACK AND CHARGER M1671 WERE INOPERATIVE. REPLACED THE BATTERY CHARGER IAW AMM 33-51-06. OPS CHECKED OK.
Part: FUSE — BLOWN (EMERGENCY LIGHT) · airframe 18,367 hrs · 6,282 cycles
EMERGENCY LIGHT BATTERY CHARGER M1694 HAD FOUR BLOWN FUSES. REPLACED THE FUSES IAW AMM 33-51-06. OPS CHECKED OK. ACP IDT INSP OF REPLACED FUSES IAW GM M 09-10-05, AND AMM 33-51-06. OPS CHECKED GOOD.
2017
Part: FUSE — INOPERATIVE (EMERGENCY LIGHTS) · airframe 15,804 hrs · 5,361 cycles
EMERGENCY LIGHT ROWS 20 AND 21 INOPERATIVE. R & R THE FUSES IN THE POWER SUPPLY, M1694. CHECKED GOOD IAW AMM 33-51-06.
Part: LENS — BROKEN (CABIN) · airframe 14,785 hrs · 4,956 cycles
EMERGENCY LIGHT LENS BROKEN AT SEAT 34C. REPLACED LENS.
2015
Part: TRANSMITTER — FAULTY (TE FLAP) · airframe 6,118 hrs · 2,011 cycles
SPLIT FLAPS ON LANDING. USED QRH PROCEDURE & LANDED WITH ALTERNATIVE CNLS. TROUBLE SHOT FIM 27-51-00-810-820 FOUND MSG 27-52260. R & R FLAP POS AMM 27-58-01-400-801, ADJUSTED IAW AMM 27-58-01-820-801. R & R FLAP POS IND IAW 27-58-01-400-801, TESTED OK. PERFORMED LAND VERIFY TEST IAW AMM 22-11-00, TEST PASSED. ACFT IS FULL CAPABILITY I. ROTABLE PARTS CHANGE WAS INDICATED. TT 1664293, SN OFF 04919, TT 1464226, SN OFF 02165 INDICATOR, POS OFF 29-2758-9-0001 4919 ON 29-2758-9-0001 1582 TRANSMITTER, FL OFF 59-2758-9-0002 2165 ON 59-2758-9-0002 2003.