# SDR UPS99229427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N922UP](https://openairdocs.org/aircraft/N922UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19231
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: BAC1498138
- Condition: Cracked
- Location: Bs 420
- 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/UPS99229427

## Discrepancy

INSPECTION TYPE:C+SI, STRINGER 25 RT DAMAGED BS 420 AT FRAME ATTACH POINTS.  CRACKED STRINGER 25 RT REPLACED BETWEEN BS 360 AND BS 440 IAW SRM 51-30-2.

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