# SDR ASAA2016010116790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2016
- Submitted: May 20, 2016
- Operation: Air carrier
- Aircraft: N756AS
- Make and model: Boeing 737-4Q8
- Registry model: [Boeing 737-4Q8](https://openairdocs.org/model/boeing-737-4q8) (OpenAirDocs)
- Aircraft serial: 25097
- Aircraft time: 71,726 hours, 41,569 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 657378212
- Part serial: AC00756
- 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/ASAA2016010116790

## Discrepancy

RT HORIZONTAL LOWER SKIN IS CRACKED AT REAR SPAR, BS 118.  ACFT GROUNDED. ON DEFERRAL.  REPAIRED RT HORIZONTAL LOWER SKIN CRACK AT REAR SPAR, BS 118 IAW SRM 55-10-01-2R-13.  THIS IS A CATEGORY B REPAIR THIS CAT BN REPAIR HAS FAA APPROVAL IF YOU DO THE SUPPLEMENTAL INSPECTIONS AS GIVEN IN PARA 5 OF REPAIR SRM 55 10 01, 2R, B REPAIR 13 AT INTERVALS EQUAL TO OR LESS THAN 12 MONTHS AFTER YOU INSTALL THE REPAIR.  REPAIR INSTALL 07JAN16.

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