# SDR ASAA2019103161190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2019
- Submitted: October 31, 2019
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 50,501 hours, 14,881 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- 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/ASAA2019103161190

## Discrepancy

RIGHT HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT STAB STA 138.70, APPROX 10" FROM FWD EDGE OF SKINDOT 262A001. GROUNDED - YES. REPAIRED CRACK ON RIGHT HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 138.70, APPROX 10" FROM FWD EDGE OF SKIN IAW B737-800, SRM 55-10-01-2R-11, PG 3, STEP H. THIS IS A CAT B REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES WITH AN INSPECTION INTERVAL OF 9,000 FLIGHT CYCLES. AIRCRAFT TOTAL FLIGHT CYCLES AT TIME OF REPAIR IS 14,880. PER B737-800, SRM 55-10-01-2R-11, PG 7, STEP 5.

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