# SDR IPXA2025020758260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2025
- Submitted: February 10, 2025
- Operation: Air carrier
- Aircraft: [N255UP](https://openairdocs.org/aircraft/N255UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48404
- Aircraft time: 93,449 hours, 21,525 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: ADA3034511
- 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/IPXA2025020758260

## Discrepancy

FWD CARGO L/H  LONGERON 35 BETWEEN STA 939-959 HAS CORROSION. (114-010) ATA 53-10. INSTALLED NEW SECTION LONGERON, FWD AND AFT SPLICES AT FWD CARGO COMPARTMENT LH LONGERON 35 STA 929-949 REF. MD-11 SRM 53-00-05--2R-1.  ACCOMPLISHED REPAIR PER MD-11 SRM 53-00-05-2R REPAIR 1 REV 71. VERIFIED STEP 21 IS C/W .

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