# SDR ASAA2021091536092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2021
- Submitted: September 30, 2021
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 49,186 hours, 14,642 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 186A100041
- Part serial: SAIC1107
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021091536092

## Discrepancy

LEFT HORIZONTAL STAB LOWER SKIN IS CRACKED @ STA 147.90. (MARKED). GROUNDED - YES. REMOVED EXISTING REPAIR DOUBLER. REPAIRED LH HORIZONTAL STAB LWR SKIN WITH NEW REPAIR DOUBLER IAW B737-800 SRM 55-10-01-2R-11, REPAIR 11. THIS REPAIR 11 IS A CATEGORY B REPAIR & REQURIES INSPECTIONS AS FOLLOW, INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYCLES, REPEAT INSPECTION DVI INTERVALS OF 9000 FLIGHT CYCLES & EXTERNAL LOW FREQUENCY EDDY CURRENT INTERVAL OF 9000 FLIGHT CYCLES.

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