# SDR ASAA2023062944023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: [N524AS](https://openairdocs.org/aircraft/N524AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35195
- Aircraft time: 45,744 hours, 16,173 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A400111
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023062944023

## Discrepancy

L/H HORIZONTAL STABILIZER LOWER SKIN HAS A CRACK INDICATION LOCATED BETWEEN STAB STA. 96" TO 98". ALONG REAR SPAR FASTENERS. APPROX. 2" IN LENGTH. (AS MARKED). GROUNDED - YES. EVALUATED L/H HORIZONTAL STAB SKIN SS96 - SS98, CRACK FOUND. REPAIRED AREA IAW B737-800 SRM 55-10-01-2R-11. L/H HORIZONTAL L/E & TIP REMOVED & INSTALLED IAW B737-800 AMM 27-41-21 & AMM 55-10-00. THIS IS A CATEGORY B REPAIR, INSPECTION THRESHOLD: 56,000 FLIGHT CYCLES. EVALUATED HORIZONTAL SKIN IAW 737NTMPT.1 51-00-00 PROC 23.

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