# SDR SWAA2022021663267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2022
- Submitted: April 4, 2022
- Operation: Air carrier
- Aircraft: N7730A
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33926
- Aircraft time: 51,354 hours, 27,779 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Barrier
- Condition: Delaminated
- Location: Center Wing
- 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/SWAA2022021663267

## Discrepancy

BS 663 VAPOR BARRIER BULKHEAD DELAMINATING REPAIR NOTED RBL 39 WL 159 / [01] IDENTIFIED PART MATERIAL IAW SRM 57-10-10-0I-2 FIG 2 TABLE 2 ITEM 4.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-10-10-1A-2 PARA 4D(1).<BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-04-2R-10 PER SRM 57-10-10-2R-2 PARA 1C(NOTE).<BR>REMOVED DAMAGED PLIES AND CLEANED REPAIR AREA IAW SRM 51-70-04-2R-10 PARA 4A-C.[06] FABRICATED REPAIR PLIES OUT OF BMS 9-3 ST 1581 LOT#1475360-2 IAW SRM 51-70-04-2R-10 PAR 4D. OK TO INSTALL.;[07] VERIFIED FABRICATED REPAIR PLIES IAW SRM 51-70-04-2R-10; OK TO INSTALL;[08] INSTALLED REPAIR PLIES BMS 8-301CL1 LOT#JH1GAA7833; VACUUM BAGGED; LEAK CHECK GOOD IAW SRM 51-70-04-2R-10 PARA 4D-E.<BR>USED VACUUM GAUGE ID:ATS2441 S/N:UNKNOWN;[09] VERIFIED CORRECTIVE ACTION 8.;[10] CURED REPAIR PLIES; UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-04-2R-10 PARA 4F;H.<BR>USED THERMOMETER ID:ATS2209 S/N:43300739WS;[11] VERIFIED CORRECTIVE ACTION ITEM 10;[12] UT INSPECTED REPAIR PER NDTM PART 4; 51-00-02. NO DISBONDS NOTED.<BR>CAL ID: ATS2341 S/N: 190848104;[13] REFINISHED REPAIR AREAS IAW SRM 51-70-04-2R-10 PAR 4I AND AMM 51-21-99-300-802 PAR 3C(1).<BR><BR>COMPLETED SRM REPAIR 51-70-04-2R-10.;[14] VERIFIED RII STEPS COMPLETE;[15] VERIFIED CORRECTIVE ACTION 13

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