# SDR UPS203594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N950UP](https://openairdocs.org/aircraft/N950UP), registered now
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19718
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 65956138
- Condition: Cracked
- Location: Horiz Stab
- 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/UPS203594

## Discrepancy

WHILE IN FOR C-CHECK MAINTENANCE, FOUND CRACKED SUPPORT RIB ON RT HORIZ STAB T/E AT STA 99.79.  REPLACED RIB IAW SRM 51-20-4, 51-20-5, 57-30-2, M/M 27-30-5.

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