# SDR IPXA12M74042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2012
- Submitted: June 20, 2012
- Operation: Air carrier
- Aircraft: [N291UP](https://openairdocs.org/aircraft/N291UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48477
- Aircraft time: 58,806 hours, 8,046 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: A5A70321
- Condition: Corroded
- Location: 48l
- 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/IPXA12M74042

## Discrepancy

INSPECTION TYPE: 4C, L48L CORRODED BETWEEN STA.5-53 TO 5-123 IN CTR CARGO BILGE       REMOVED FABRICATED & INSTALLED REPLACEMENT LONGERON 48L SECTION IAW SRM 51-33-01, 51-31-01.

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