# SDR IPXA2026101876234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2026
- Submitted: October 20, 2026
- Operation: Air carrier
- Aircraft: [N402UP](https://openairdocs.org/aircraft/N402UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23724
- Aircraft time: 39,932 hours, 27,205 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 148N840248
- Condition: Worn
- 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/IPXA2026101876234

## Discrepancy

APU COMPARTMENT BULKHEAD STA 1885 HORZ STIFFENER JUST BELOW LIGHT SWITCH ASSY DOOR SAFETY CATCH EDGE WORN.  INSTALLED NEW RETAINER AT APU COMPARTMENT BULKHEAD STA 1885 HORZ STIFFENER I.A.W B757-200PF SRM 51-40-02-0G-0.

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