# SDR CALA2015042000301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2015
- Submitted: April 20, 2015
- Operation: Air carrier
- Aircraft: [N13716](https://openairdocs.org/aircraft/N13716), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28787
- Aircraft time: 54,900 hours, 18,645 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Part number: 182A40011
- 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/CALA2015042000301

## Discrepancy

NEED TO MAKE A CUT TO LT HORIZONTAL STAB LOWER SURFACE TO FACILITATE REPAIR ON RIB & WEB AT LT STAB 111.10, STIFFENER 3 & WEB.  IAW NR 9738049 SRM 55-10-01 REPAIR 11, INSPECT REPAIR TABLE 204.  DETAIL VISUAL & LFEC, INITIAL THRESHOLD 56,000 FLIGHT CYCLES THEN REPEAT EVERY 9,000 FLIGHT CYCLES.

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