# SDR SWAA2021083108453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N965WN](https://openairdocs.org/aircraft/N965WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36677
- Aircraft time: 32,936 hours, 20,041 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- 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/SWAA2021083108453

## Discrepancy

RIGHT HAND B.S. 663 VAPOR BARRIER HAS A CRACKED FASTENER HOLE AT O/B EDGE ; / IDENTIFIED B.S. 663 RIGHT HAND VAPOR BARRIER MATERIAL IAW SRM 57-10-10-0I-2 TABLE 2 FIGURE 2 ITEM 4. DAMAGED FASTENER HOLE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PARAGRAPH 4.D(1). DAMAGE IS REPAIRABLE PER SRM 51-70-04-2R-10 DIRECTED BY SRM 57-10-10-2R-2. <BR><BR>REMOVED .75' X .75' AREA OF DAMAGED SKIN AT DISCREPANT LOCATION AND PREPARED AREA FOR REPAIR PLIES. FABRICATED REPAIR PLIES FROM BMS9-3 STYLE 1581 LOT# 1458851-1. OKAY TO INSTALL REPAIR PLIES IAW SRM 51-70-04-2R-10 PARAGRAPH 4. A-D.; [02] VALIDATED REPAIR IAW SRM 51-70-04-2R-10; [03] VERIFIED CORRECTIVE ACTION 1 PER SRM 57-10-10-0I-2; SRM 57-10-10-1A-2; AND SRM 51-70-04-2R-10 <BR> <BR>VALIDATED REPAIR IAW SRM 51-70-04-2R-10 <BR>OK TO INSTALL REPAIR PLIES; [04] INSTALLED REPAIR PLIES USING RESIN BMS8-301 CL2 LOT#1464454-1; VACUUM BAGGED REPAIR; LEAK CHECKED GOOD USING VACUUM GAUGE ID: ATS2107 SN: UNKNOWN; AND SET TO CURE IAW SRM 51-70-04-2R-10 PARAGRAPH 4.D-E. VERIFIED CORRECTIVE ACTION 4 PER SRM 51-70-04-2R-10;CURED REPAIR PLIES USING THERMOMETER ID: ATS2208 SN: 43300740WS AND VACUUM GAUGE ID: ATS2107 SN: UNKNOWN; REMOVED VACUUM BAG; AND LIGHTLY SANDED IAW SRM 51-70-04-2R-10 PARAGRAPH 4.F VERIFIED CORRECTIVE ACTION 6 PER SRM 51-70-04-2R-10 UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. EQUIP ID#: ATS2341 S/N: 190848104 REFINISHED REPAIR AREA IAW SRM 51-70-04-2R-10 PARA 4H.

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