# SDR ASAA2022012937451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2022
- Submitted: February 18, 2022
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 56,606 hours, 16,961 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Skin
- Part number: 186A200041
- Part serial: SAIC0839
- Condition: Cracked
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022012937451

## Discrepancy

LEFT HORIZONTAL STAB LOWER SKIN IS CRACKED JUST INBD OF STAB STA 157.10 (MARKED AND VERIFIED BY HFEC). GROUNDED - YES. REPAIRED L/H HORIZONSTAL STAB LOWER SKIN INBOARD OF STA 157.10 IAW B737-800 SRM 55-10-01-2R-11 REPAIR 11, REPAIR IS A CATEGORY B REPAIR AND REQUIRES SUPPLEMENTAL INSPECTIONS INSPECTION THRESHOLD IS 56,000 FLIGHT CYCLES, INTERVAL IS EVERY 9000 FLIGHT CYCLES.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.