# SDR IPXA1M66277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2011
- Submitted: May 2, 2011
- Operation: Air carrier
- Aircraft: [N251UP](https://openairdocs.org/aircraft/N251UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48744
- Aircraft time: 43,384 hours, 8,664 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: AEA70187
- Condition: Corroded
- Location: Bs 1256 L1l/R
- 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/IPXA1M66277

## Discrepancy

INSPECTION TYPE:4C, MAIN CABIN TRANSVERSE FRAME INTERCOSTAL AND UNDER "U" BLOCK SUPPORT STRUCTURE HAS CORROSION AT STA 1256 BETWEEN L1L AND L1R.  REPAIRED CORRODED FRAME REF EO MD11-5310-42469-A AND STA SA EA 011-5310-01-A3048 REV IR AT STA 1256 BETWEEN L1L AND L1R.

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