# SDR ASAA2026070967332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2026
- Submitted: July 16, 2026
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 68,512 hours, 20,697 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- Part serial: UNK
- 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/ASAA2026070967332

## Discrepancy

CRACK INDICATION FOUND: R/H HORZ. STAB. LOWER SKIN SURFACE, STA. 147.90 I/B OF I/B ROW OF FASTENERS, MARKED 1"L, 8" FWD OF AFT SPAR. GROUNDED - YES. REPAIRED THE R/H HORIZ STAB LOWER SKIN AT STA 147.90 USING MAT .100 2024T3 AND .063 2024T3 PER B737-800 SRM 55-10-01-2R-11. REPAIR IS A CAT "B" WITH AN INSPECTION THRESHOLD 56.000 TFC AND INTERVAL 9,000 FC.

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