# SDR IPXA2018062983161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2018
- Submitted: June 29, 2018
- Operation: Air carrier
- Aircraft: N279UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48573
- Aircraft time: 72,324 hours, 13,592 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: AFA7762501
- Condition: Corroded
- Location: Bs 1531-1561
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018062983161

## Discrepancy

CENTER CARGO, BS  1551 CENTERLINE LONGERON 52 HAD CORROSION,  INBD OF THE DRAIN.  REMOVED AND REPLACED THE DAMAGED SECTION OF LONGERON BETWEEN BS 1531 - 1561 IAW SRM 51-31-01, 51-33-01, AND 53-50-05.

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