- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 40004
- Year built
- 2012
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- March 30, 2012
- Certificate issued
- April 2, 2012
- Expires
- April 30, 2028
- Mode S code
- A494C5
Boeing 737-924ERTCDS A16WEAirframe · Boeing 737-924EREngine modelCFM International CFM56-7B26E series
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every CFM International CFM56-7B26E model are included below.
On this page
Airworthiness directives that may apply · 109
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2007 | 2 |
|---|---|
| 2008 | 5 |
| 2009 | 3 |
| 2010 | 6 |
| 2011 | 7 |
| 2012 | 5 |
| 2013 | 17 |
| 2014 | 10 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 8 |
| 2026 | 5 |
Airframe · Boeing 737-924ER
AD 2026-20-14StabilizersAD 2026-20-13Equipment/furnishingsAD 2026-13-13NavigationInformation bulletins that may apply · 15
Advisory, not mandatory.
See all 16 bulletins
NTSB investigations
No NTSB investigations matched to N39450Matched 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 737-924ER aircraft
FAA incident reports
No FAA accident or incident reports matched to N39450Matched 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 737-924ER aircraft
Service difficulty reports · 15
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2026092919964Pitot Tube · faultedAIRSPEED DISAGREE, RAN NON NORMAL CHKLST, SUSPECT FROZEN PITOT TUBE, FO SIDE IAW AMM 34-11-01, PERFORMED INSP OF FO SIDE PITOT PROBES. DID NOT FIND ANY ABNORMALITIES. ALL 3 PITOTS BEGAN WARMING UP WITH SWITCH. T/S IAW FIM 31-62, TASK 876. FOUND FAULTS 31-SDR CALA2026040615097Lamp · burned outLEFT SIDE EXTERIOR EMERGENCY LIGHT BY L2 DOOR INOP RELAMPED LEFTS SIDE EXTERIOR LIGHT BY L2 DOOR IAW AMM-TASK 33-51-04-960-801 LIGHT OPS CHECK GOODSDR CALA2025091108763Girt Bar · out of adjustF/A REPORTS DOOR 2L GIRT BAR IS DIFFICULT TO REMOVE FROM STOWED POSITOIN. ADJUSTED 2L GIRT BAR SO THAT IT FITS ITS STOWAGE CLAMPS.SDR CALA2025062605881Switch · faultedAFT CARGO DOOR LIGHT WILL NOT EXTINGUISH. WHEN AFT CARGO DOOR IS CLOSED AND LOCKED, DOOR LIGHT STAYS ON. NEED TO APPLY MEL 5203A. MEL 5203A REJECTED. ITEM CORRECTED CLEANED CONNECTIONS AT WIRES SWITCH. REINSTALLED SWITCH, OPS CHECK GOOD.SDR CALA2025042104099Warning Light · false activationAFT CARGO DOOR LIGHT STAYING ILLUMINATED PERFORMED CARGO DOOR INDICATION SWITCH TEST REF AMM TASK 52-71-31-710-801. DOOR INDICATION WORKS OKAYSDR CALA2025012301982Smoke Detector · false activationMID LAV SMOKE ALARM SOUNDING NO SMOKE RESET SMOKE DETECTOR. OPS CHECK NORMAL FAULT NO LONGER ACTIVE AT THIS TIME. NO SMOKE OR ODORS WERE FOUND.SDR CALA2024090500575Barrel Nut · faultyROW 10 DEF SEATS COMPLE LY DETACHED FROM FWD TRA CK SEAT FELL BA CK ON T/O TEMP SEC W/BELT EXT REMOVED AND REPLACED BOTH SEAT TRACK STUDS, ANTI-RATTLE NUT AND LEG BARREL NUT PIN AT ROW 10DEF REF IPC 25-21-58. INSTALLED ROW 10DEF REF AMM 25-22-00-400-802. VERISDR CALA2024013100263Intercostal · crackedFOUND CRACK AT INTERCOSTAL BETWEEN STA 344 WL209 BLO REF AAR N/R 9878507 REMOVED AND REPLACED INTERCOSTAL BETWEEN STA 344 TO 360 WL209 BL0 REF B737 SRM 51-40-02-0G-0 WORK ACCOMPLISHED BY V922796SDR CALA2020032700735Probe · defectiveLOST ALL TEMP AND PERFORMANCE DATA ON CLIMBOUT R&R TAT PROBE REF AMM 34-21-06.OPS CHECK NORMAL.PERFORMED LAND V ERY TEST.TEST PASSED.AIRCRAFT IS FULL AUTOLAND CAT CAPABILITY ISDR CALA2019082301427Warning Message · illuminatedENGINE OIL QUANTITY INDICATION, LOW. NR 2 ENGINE QUANTITY DROPPED TO 0 AND STAYED AT 0 AT FL310. OIL PRESSURE START FLUCTUATE. INSPECTED CHIP DETECTORS AND SCAVENGE SCREENS IAW AMM SCAVENGE SCREEN. REMOVED AND INSTALLED MCD IAW AMM 79-21-05. FOUND TEFSDR CALA2017121304439Light · inoperativeNR 2 LT MED EXTERIOR EMERGENCY LIGHT INOP REPLACED LAMP, CKS OK.SDR CALA2017091503160Power Supply · faultySEATS 5A 5B HAD SPARKS AND A LITTLE SMOKE AFTER USING SEAT OUTLETS. UNPLUGGED. REPLACED THE IN SEAT POWER SUPPLY AT SEATS 5A, 5B IAW 44-21-14, OPS CHECKED NORMAL.SDR CALA2017052701612Lamp · inoperativePASSENGER CABIN SEAT 28C EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMP IAW AMM 33-51-11-960-801.SDR CALA2014041600465Light · inoperativeSPT RT FWD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. R & R RT FWD OVERWING EMERGENCY EXIT LIGHT PN 29-3314-3-0005, OPERATIONS CHECKED GOOD IAW NG 33-51 -04.SDR CALA2014041400443Doubler · damagedEXISTING LIVE TV FEED THROUGH DOUBLER, HAS FEED THROUGH HOLE DRILLED 1.00 INCH AFT & ELONGATED. THE DOUBLER IS OVERSIZED BY 1 FASTENER ROW. LOCATION BS 727E - 727F & LBL 4.78. ACCOMPLISHED REPAIR, IAW 5360-01366 WITHOUT DEVIATION.
STCs that may be installed · 429
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 429 STCs
Earlier aircraft with this N-number · 2
These aircraft carried N39450 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.