# SDR IPXA2025040207602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2025
- Submitted: April 22, 2025
- Operation: Air carrier
- Aircraft: [N470UP](https://openairdocs.org/aircraft/N470UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25486
- Aircraft time: 34,739 hours, 20,775 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Bracket
- Part number: 149N772035
- 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/IPXA2025040207602

## Discrepancy

FAULT: STR, Z100, RAT SURROUND STRUCTURE BRACKET HAS CORROSSION STA 1260 RBL 57.50 REMOVED BRACKET CORRODED AT STA 1260 RBL 57.5 OUTBD TEE AT RAT DOOR CUTOUT IAW 757-200PF SRM 51-40-02-0G-0.RECEIVED FROM FAB SHOP NEW BRACKET P/N: UP-149N7720-37, P.O. #: PFB00 00501, TRAVELER #: T25/1809240.INSTALLED NEW BRACKET AT RAT SURROUND STRUCTURE STA 1260 RBL 57.5 IAW 757-200PF SRM 51-40-02.

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