# SDR IPXA2015051989271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2015
- Submitted: May 20, 2015
- Operation: Air carrier
- Aircraft: [N415UP](https://openairdocs.org/aircraft/N415UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23855
- Aircraft time: 28,897 hours, 19,782 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146N5391
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/IPXA2015051989271

## Discrepancy

INSPECTION TYPE:C, NUMEROUS AREAS OF CORROSION ON AFT PIT RT TRANSITION PANEL UPPER SURFACE AT THE DOWN FITTINGS AND INBD NUTPLATE ROWS BS 1530-1640. 53-141.  REMOVED SURFACE CORROSION ON AFT PIT RH TRANSITION PANEL FROM STA 1530-1640 IAW SRM 51-10-02-0G.  CHECK LIMITS ORIGINAL MATERIAL .063 , MATERIAL LOSS .025 REMAINING MATERIAL .038 FOUND TO BE OUT OF LIMITS FS 1540 IAW SRM 53-00-53-1A-1, FIG 101, DETAIL V, TR4 T17809.  REMOVED DAMAGE SECTION OF TRANSITION PANEL FROM FS 1530-1565 IAW SRM 51-40-02-0G, RECEIVED.

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