# SDR SWAA2022022866422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2022
- Submitted: February 28, 2022
- Operation: Air carrier
- Aircraft: [N7752B](https://openairdocs.org/aircraft/N7752B), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33943
- Aircraft time: 44,008 hours, 22,440 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Doubler
- Condition: Cracked
- Location: R/H Horiz. Stab.
- Stage of operation: UK
- 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/SWAA2022022866422

## Discrepancy

CRACK FOUND, RT HORIONTAL STAB HSS 193.90;  I/B ROW;16" FROM FWD SPAR. LENGTH OF CRACK 1'. STRIPPED PAINT ON LOWER SKIN IAW AMM 51-21-11-150-810;  REMOVED FASTENERS IAW SRM 51-40-02-0G-0.   PERFORMED CUTOUT OF DAMAGE IAW SRM 55-10-01-2R-11 & 51-10-02-0G-0.   PERFORMED HFEC COUNTERSUNK INSP ON FASTENER OPEN HOLES IAW NDT PART 6 53-30-00 PROCE 3.  NO CRACKS FOUND. LOCATED & DRILLED DOUBLER & SKIN IAW SRM 51-40-05-0G-0 & 55-10-01-2R-11 REPAIR 11.  COUNTERSUNK FASTENER HOLES IAW SRM 55-10-01-2R-11 REPAIR 11 & SRM 51-40-08-0G-0.   TREATED & PRIMED DOUBLER & SKIN IAW SOPM 20-44-04 AND 20-43-03.   INSTALLED REPAIR IAW SRM 51-40-02-0G-0 & SRM 55-10-01-2R-11 REPAIR 11.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.