# SDR UALA2009040801005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2009
- Submitted: April 10, 2009
- Operation: Air carrier
- Aircraft: N178UA
- Make and model: Boeing 747422
- Aircraft serial: 24385
- Aircraft time: 78,521 hours, 9,602 cycles
- Engine: Pwa PW4056
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Structure
- Condition: Cracked
- Location: Horiz Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009040801005

## Discrepancy

FOUND FASTENER HOLE CRACKED COMMON TO RT SIDE OF HORIZONTAL STAB.  CENTER SECTION & LOWER SPLICE PLATE.  OVERSIZED FASTENER HOLE & REPLACED RT LOWER SPLICE PLATE.

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