# SDR IPXA2026043081790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2026
- Submitted: April 30, 2026
- Operation: Air carrier
- Aircraft: [N454UP](https://openairdocs.org/aircraft/N454UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25475
- Aircraft time: 43,406 hours, 22,422 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Retainer
- Part number: 146N66096
- Condition: Corroded
- 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/IPXA2026043081790

## Discrepancy

UPON SEAL REMOVAL- AFTER CARGO DOOR FRAME SEAL RETAINER LOWER HAS CORROSION THE INTERIOR LENGTH. LOCATED AND DRILLED NEW SEAL RETAINER  AT AFT CARGO DOOR FRAME LOWER, TREATED AND PRIMED NEW HOLES IAW SRM 51-40-05-0G-0 AND SRM 51-20-01-0G-0.  INSTALLED NEW SEAL RETAINER AT AFT CARGO DOOR FRAME LOWER IAW  SRM 51-40-02-0G-0.

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