# SDR UPS99229372

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N937UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19302
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Chord
- Condition: Cracked
- Location: Bs 171.5
- 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/UPS99229372

## Discrepancy

INSPECTION TYPE:SI, UPPER RIB FLANGE CRACKED AT LT WING (FUEL TANK) UPPER STRINGER NR 16 WS 171.5.  REMOVED AND REPLACED CHORD PER SRM 51-30-2.  CHORD REPLACEMENT LOCATED AT UPPER STRINGER 16 WS 171.5 AT LT WING.

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