# SDR UPS08M51400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2007
- Submitted: January 14, 2008
- 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: 45,846 hours, 5,703 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Corroded
- Location: Fuselage
- 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/UPS08M51400

## Discrepancy

INSPECTION TYPE:C LWR FUSELAGE STA 1941 LONG 33R FOUND EXISTING REPAIR SIGN OF CORROSION.  EXISTING REPAIR DOUBLER CORR EXCEEDS LIMIT.  FASTENER REMOVED.  HFEC INSP C/O ON EXISTING TRIM OUT AREA, FOUND NO CRACK EVIDENT.  RETRIM ON EXISTING TRIMMED AREA.  HFEC INSP C/O ON TRIM OFF AREA, FOUND NO CRACK EVIDENT.  FAB 2EA NEW REPAIR DOUBLERS & 12 EA FINGER DOUBLERS.  ALL NEW DOUBLERS HOLES PICKED UP, PAINTED & INSTALLED PER SRM 51-31-01 VII R35.

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