# SDR UPS99231214

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N947UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19722
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 274353
- Condition: Corroded
- Location: Bs 312 - 344
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99231214

## Discrepancy

INSPECTION TYPE:SI, CORROSION (C53-224-01.00-01) ON MOP SILL ANGLE BS 312 BS 344 LBL 58 WL 208.  REMOVED, REPLACED MOP SILL PER SRM 51-30-2, 53-10-1.

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