# SDR ASAA2025042258647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2025
- Submitted: June 13, 2025
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 58,483 hours, 17,534 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- Condition: Cracked
- Location: Zone 300
- 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/ASAA2025042258647

## Discrepancy

LH HORIZONTAL STAB LOWER SKIN IS CRAKED AT RIB 7 IB SIDE 26 IN FROM TE. GROUNDED - YES. REPAIRED L/H HORIZONTAL STAB LOWER SKIN AT RIB 7 I/B SIDE 26IN FROM T/E IAW B737-800 SRM 55-10-01-2R-11 THIS IS A CATEGORY B REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES & INTERVAL INSEPCTION AT 9,000 FLIGHT CYCLES BY DVI & LFEC INSPECTION.

---
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.
