# SDR IPXA2026080869766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2026
- Submitted: August 18, 2026
- Operation: Air carrier
- Aircraft: [N438UP](https://openairdocs.org/aircraft/N438UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25469
- Aircraft time: 31,943 hours, 20,896 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Retainer
- Part number: 113N820021
- Part serial: NSN
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026080869766

## Discrepancy

LEFT MLG FWD TRUNNION FAIRING DOOR ASSY HAS A CRACKED SEAL RETAINER.  LOCATED AND DRILLED NEW SEAL RETAINER AT LT MLG FWD TRUNNION FAIRING DOOR ASSY IAW SRM 51-40-05-0G-0.

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