# SDR UPS204599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N936UP
- Make and model: Boeing 727108C
- Aircraft serial: 19503
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Part number: 65174301
- Condition: Cracked
- Location: Elev Sta 50.05
- 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/UPS204599

## Discrepancy

WHILE IN FOR SI CHECK, MAINTENANCE FOUND LT HORIZ STAB NR 2 T/E SUPPORT RIB, AT ELEV STA 50.05 IS CRACKED ON LOWER SURFACE.  REPLACED CRACKED SUPPORT RIB PER SRM 51-30-2, 51-30-5, 51-10-2.

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