# SDR UPS07M49574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2007
- Submitted: March 30, 2007
- Operation: Air carrier
- Aircraft: [N258UP](https://openairdocs.org/aircraft/N258UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48416
- Aircraft time: 53,867 hours, 9,516 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: AGA7808
- Condition: Corroded
- Location: Bs 1721-1741
- 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/UPS07M49574

## Discrepancy

INSPECTION TYPE:C CTR CARGO STA 1721-1741 STR 51R TO 52R BILGE AREA DOUBLER FOUND WITH CORROSION AS MARKED.  CTR CARGO DRUM MUST REMOVED PER AMM20-50-02 R55.  CORROSION REMOVED PER SRM 51-31-01 V2 R38.  CORROSION REMOVED FOUND EXCEED LIMIT PER SRM 51-21-01 V2 R38.  STA 1701 TO STA 1741 LONGERON 48L TO 48R SKIN FASTENERS REMOVED PER SRM 51-31-01 V2 R38.  NEW DOUBLER FASTENER HOLES PICKED UP PER DWG AGA7808 & INSTALLATION CUT OUT WITH NEW DOUBLER FOUND SATISFACTORY.

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