# SDR ASAA2019050329528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2019
- Submitted: May 31, 2019
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 39,315 hours, 11,695 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A40012
- Condition: Cracked
- Location: Rt 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/ASAA2019050329528

## Discrepancy

RT HORIZ. LWR SKIN HAS A CRACK AT STA 136, 32 IN. AFT OF FRONT SPAR. GROUNDED - YES. REPAIRED CRACK ON RT HORIZ.LOWER SKIN AT STA 136. 32" AFT OF FRONT SPAR IAW SRM 55 10 01 2R 11, PG 3 STEP 4 THIS IS A CAT. B REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL FLT. CYCLES WITH AN INSPECTION INTERVAL OF 9,000 FLT. CYCLES, A/C TOTAL FLT. CYCLES AT TIME OF REPAIR IS 11,695 PER SRM 55 10 01 2R 11, PG 7 STEP 5.

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