- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 43435
- Year built
- 2018
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- May 18, 2018
- Certificate issued
- May 21, 2018
- Expires
- May 31, 2028
- Mode S code
- A448D3
Boeing 737-9TCDS A16WEAirframe · Boeing 737-9TCDS E00088ENEngine · CFM International LEAP-1B28 series
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every CFM International LEAP-1B28 model are included below.
On this page
Airworthiness directives that may apply · 48
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2018 | 5 |
|---|---|
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 8 |
See all 58 ADs
Information bulletins that may apply · 4
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N37504Matched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Boeing 737-9 aircraft
FAA incident reports
No FAA accident or incident reports matched to N37504Matched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Boeing 737-9 aircraft
Service difficulty reports · 11
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2026101220270Battery Pack · inoperativeOVERWING EMERGENCY EXIT LIGHTS AT 20F & 21F INOPERATIVE AND OVERHEAD EMEGENCY EXIT LIGHT BETWEEN SEAT ROWS 20C & 20D INOP M1695 BATT INOPERATIVE. REPLACED BATTERY PACK AT M1695, OPS CK GOOD. REF WDM 33-51-13-4 & AMM 33-51-06.SDR CALA2026091419391Light · brokenEMERGENY LIGHT IN AISLE SEAT 14C BROKEN. REMOVED AND REPLACED EMERGENCY LIGHT AT 14C IAW AMM 33-51-11.SDR CALA2026081718680Light · intermittentEMERGENCY LIGHTS PUSH TO TEST LIGHT DOES NOT ILLUMINATE WHEN PUSHED. ALL EMERGGENCY LIGHTS OPS NORMAL. AFT FA PANEL EMERGENCY LIGHT BUTTON ILLUMINATES WHEN PRESSED. UNABLE TO DUPLICATE FAULT.SDR CALA2026080318218Megaphone · no testFORWARD MEGAPHONE DOESNT GIVE AN AUDIBLE POP ON TEST. REMOVED AND REPLACED FWD MEGAPHONE IAW AMM 25-64-01.SDR CALA2026070217524Unknown · odorGATE AGENT REPORTED THAT F/A ADVISED OF SMOKE/ELECTRICAL BURNT ODOR IN THE FLIGHT DECK, DEBRIEFED FLIGHT ATTENDANTS AND ALL CONFIRMED THEY WITNESSED A DARK SMOKE EMANATING FROM FLIGHT DECK. SMOKE SMELLED LIKE AN ELECTRICAL BURNING ODOR. APU WAS RUNNING AND PASDR CALA2026061517111Light · looseF/A REPORTS 35C EMERGENCY EXIT LIGHT IS LOOSE AGAIN. SEAT MOUNTED EMERGENCY LIGHT AT 35C PLACED ON MEL 3351D, REMOVED AND REPLACED SEAT 35CEMERGENCY LIGHT RACEWAY SHROUD OPS CHECKS GOOD.SDR CALA2026011913045Light · detached29C EMERGECY EXIT PATH LIGHTING BROKE OFF SEAT. INSPECTION CARRIED OUT AND FOUND SEAT 29C EMERGENCY LIGHT ESCAPE PATH LIGHT ASSY BROKE OFF FROM SEAT 29C. LIGHT WORKS NORMALLY. INTERIM REPAIR CARRIED OUT IAW PART 1 OF ECRA 2520-07965. REMOVED AND REPLACED SESDR CALA2025110410904Hydraulic Line · leakingLOSS OF SYSTEM B HYDRALLICS NO EVIDENCE OF EXTERNAL LEAKAGE NOTED. HYD SYS B RESERVOIR NEAR EMPTY. ATTEMPTED TO SERVICE AND NO RAISE IN QTY INDICATION. SUSPECT INTERNAL LEAK AT HEAT EXCHANGER. MOVING TO BASE FOR MORE T/S SERVICED 'B' HYDRAULIC RESERVOIR TO FULSDR CALA2025022602486Switch · faultedAFT CARGO LT ON TAXI CONFIRMED AFT CARGO DOOR IS CLOSED AND LATCHED. REQUEST MEL TOMC APPROVED ITEM PLACED ON MEL *DM* SUGGEST FIM 52-30 TASK 808, CK AFT CARGO DOOR AND SWITCH ADJUSTMENT AMM 52-71-31-820-801, IF OK, THEN SUGGEST REPLACE S00961. REMOVED AND REPSDR CALA2024111901183Shroud · faulty9C EMER AISLE FLOOR LIGHT HANGING FROM SEAT UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. ADDING PIC MAC METER INITIATED FOR .WITH VENDOR ID V934773 MAC RELATED WORK ORDER 000000003122539 AND PRTR RODRIGUEZ LLANOSSDR CALA2022111403127Skin · handler errorJUST FWD AND BELOW AFT DOOR ABOVE THE STRNGER CLEANING TRUCK STRUCK AIRCRAT CREATING A SIX INCH BY 3/16 DEEP DENT, WITH SOME FLATTENING BELOW THE SPOT DAMAGE TO AFT LEFT SIDE OF FUSELAGE BELOW DOOR 4L, JUST ABOVE STRINGER. DENT MEASURES APPROXIMATELY 6 INCHES
STCs that may be installed · 105
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 105 STCs
Earlier aircraft with this N-number · 2
These aircraft carried N37504 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.