# SDR ASAA2018113166866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2018
- Submitted: November 16, 2018
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 39,351 hours, 11,834 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A40013
- Condition: Cracked
- Location: Horizontal 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/ASAA2018113166866

## Discrepancy

LT. HORIZ. STAB. LWR SKIN, HAS CRACK INDICATION AT STA 129.50 I/B OF RIVET LINE APPROX. 1.00" LONG. 17.5 FROM REAR SPAR. VERIFIED BY HFEC. MARKED. GROUNDED - YES. CUT OUT DAMAGE AND REPAIRED L/H HORIZONTAL LOWER SKIN REF. B737-800 SRM 55-10-01-2R-11. THIS IS A CAT "B" REPAIR WITH A 56,000 CYCLE THRESHOLD. DOT REMOVED.

---
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.