# SDR UPS00234229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2000
- Submitted: October 25, 2000
- Operation: Air carrier
- Aircraft: [N921UP](https://openairdocs.org/aircraft/N921UP), registered now
- Make and model: Boeing 727180C
- Aircraft serial: 19874
- Aircraft time: 46,781 hours, 34,052 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Structure
- Part number: 6032878
- 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/UPS00234229

## Discrepancy

INSPECTION TYPE:C, BILGE IN SKIN (SUSPECT CORROSION) AT BS 1030 ABOVE STR 18 LT.  GILL LINER REMOVED IAW MM 25-52-02.  CORROSION ON EXTRUSION FOUND TO BE CORRODED AND OUTSIDE LIMITS SRM 53-30-01.  NEW EXTRUSION INSTALLED IAW SRM 51-30-02.  GILL LINER INSTALLED IAW MM 25-52-02.

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