# SDR SCNA20160916187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2016
- Submitted: September 20, 2016
- Operation: Air carrier
- Aircraft: N710SY
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 30241
- Aircraft time: 49,689 hours, 26,525 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Condition: Damaged
- Location: Lt 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/SCNA20160916187

## Discrepancy

WHILE ACCOMPLISHING LT HORIZONTAL STABILIZER LOWER SKIN MODIFICATION, FASTENER HOLE IN THE FRONT LOWER SPAR WAS ELONGATED AT STA 142.  FASTENER HOLE WAS CLEANED TO A .277" DIA, NDT ACCOMPLISHED WITH NO DEFECTS.

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