# SDR SWAA2021080292521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2021
- Submitted: August 2, 2021
- Operation: Air carrier
- Aircraft: [N962WN](https://openairdocs.org/aircraft/N962WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36963
- Aircraft time: 33,006 hours, 20,057 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Bs 663
- 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/SWAA2021080292521

## Discrepancy

CRACKED LOWER L/H COMPOSITE BULKHEAD AT BS663 LBL35 WL149. ; / [01] DAMAGE IS OUT OF ALLOWABLE LIMITS PER SRM 57-10-10-1A-2; PAR 1.C. DAMAGE TO BE REPAIRED PER SRM 51-70-04-2R-10 AS DIRECTED BY SRM 57-10-10-2R-2; PAR 1.B AND NOTE VERIFIED INSTALLED REPAIR PLIES USING BMS 8-301CL1 LOT#JH1CAA0868; <BR>VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2105 S/N:UNKNOWN <BR>IAW SRM 51-70-04-2R-10 PARA 4D-EUT INSPECTED REPAIR IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED.<BR><BR>CAL ID ATS2031 E650; [11] VERIFIED REPAIR CURE PER SRM 51-70-04-2R-10; [12] RESTORED THE FINISH IAW SRM 51-70-04-2R-10 PARA 4 H .<BR>COMPLETED THE CRACK REPAIR L/H COMPOSITE BULKHEAD AT BS663 LBL35 WL149 IAW SRM 51-70-04-2R-10

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