# SDR SWAA2023020295674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: [N227WN](https://openairdocs.org/aircraft/N227WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34450
- Aircraft time: 57,729 hours, 34,495 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Vapor Barrier
- Part number: NOTENTERED
- Part serial: NOTENTERED
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023020295674

## Discrepancy

DOT A24-10 LH VAPOR BARRIER CRACKED AT STATION 663; LBL 28 JUST OUTBOARD OF WIRE FEED THROUGH.<[01] EVALUATED CRACK ON L/H 663 VAPOR BARRIER. FOUND AN 18' LONG CRACK AT LBL 25.00 TO BE REPAIRABLE. IAW B737-700 SRM 57-10-10-2R-2 PAR 1A& NOTE. CLEAN AND PREP AREA FOR REPAIR. IAW B737-700 SRM 51-70-04-2R-10 PAR 4A-C. VERIFY MATERIALS AS: BMS 8-301 (A148401); BMS 9-3 (A150508). IAW B737-700 SRM 51-70-04-2R -0 REP GEN TABLE 203. NEED OK TO BOND.;[02] VERIFIED ITEM 1<BR>OK TO BOND;[03] BONDED REPAIR. IAW B737-700 SRM 51-70-04-2R-10 PAR 4 D-G. AAR OVEN 30347 200DEG.;[04] VERIFIED STEP 3;[05] OK TO PRIME AND PAINT REPAIR AREA;[06] APPLIED FINISH TO THE REPAIR AREA IAW SRM 51-70-04-2R-0;[07] VEVERIFIED STEP 6<BR>AUDIT CW

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