# SDR ASAA2019010227806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2019
- Submitted: January 18, 2019
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 45,298 hours, 13,460 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 186A100041
- Part serial: 1232
- Condition: Cracked
- 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/ASAA2019010227806

## Discrepancy

LT HORIZ STAB LOWER SKIN CRACKED STAB STA 128 APPROX 12 INCHES FWD OF REAT SPAR. GROUNDED - YES. REPAIRED LT HORIZ STAB LWR SKIN CRACK AT STAB STA 128 APPROX 12 INCHES FWD OF REAR SPAR IAW SRM 55 10 01 2R 11 REPAIR 11 THIS IS A CATEGORY B REPAIR WITH AN INSPECTION THRESHOLD OF 56000 FLT. CYC. WITH REPEAT INSPECTIONS AT 9,000 FLT. CYC. INTERVALS AS DESCRIBED IN SRM 55 10 01 2R 11 REPAIR 11 PARA 5 TABLE 204.

---
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.