# SDR IPXA2026090403739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2026
- Submitted: September 11, 2026
- Operation: Air carrier
- Aircraft: [N461UP](https://openairdocs.org/aircraft/N461UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28265
- Aircraft time: 43,577 hours, 22,026 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Doubler
- Part number: 141N863181828488
- 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/IPXA2026090403739

## Discrepancy

RIGHT FUSELAGE, INSIDE TUNNEL OF TORQUE BOX NLG, WASTE PAN CORRODED.  INSTALLED -81, -84, & -88 DOUBLERS, 4EA. GUSSETS, 6EA. TEECLIPS, 2EA. INTERCOSTAL CHANNELS, 10EA. CLIPS, 1EA. RING RETAINER, 1EA. DOOR LATCH ASSY, 4EA. SHIMS, 1EA. SERVICE VALVE ASSY & 1EA. WASTE PAN ASSY IAW SRM 51-40-02-0G-0 & SEALED ALL FAYING PARTS IAW DWG: 141N8631 & B757-200PF AMM 51-31-01/201.

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