# SDR UPS202967

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N904UP](https://openairdocs.org/aircraft/N904UP), registered now
- Make and model: Boeing 727-51C
- Registry model: [Boeing 727-51C](https://openairdocs.org/model/boeing-727-51c) (OpenAirDocs)
- Aircraft serial: 18946
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 65956137
- Condition: Cracked
- Location: Lt 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/UPS202967

## Discrepancy

WHILE IN 'C' CHECK, MAINTENANCE FOUND CRACK ON LT HORIZONTAL STAB, NR 4 T/E SUPPORT RIB ON LWR T/E BEAM AFT O/B ATTACH BOLT.  REPLACED PER SRM 51-30-2, 51-10-2, MM 27-30-05.

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