# SDR IPXA2026072718902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2026
- Submitted: July 27, 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- Part number: 148N31388000
- 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/IPXA2026072718902

## Discrepancy

MAJOR REPAIR,  WHILE EVALUATING APU INLET SURROUND STRUCTURE FOUND CORROSION AT AFT STRAP STA 1825 BETWEEN S-3R TO S-6R. ATA 53-80 INSTALLED 01EA REPAIR STRAP AND 01EA OUTER STRAP AT APU INLET AFT CUTOUT STA 1825.00 BTW STGR 03-06RH IN REF B757-200PF SRM 53-80-15-2R-2 REPAIR 2 DETAIL I FIG 202 SHT 2 - 3, AND SRM 51-40-02-0G-0.

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