# SDR SWAA2023032001756

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N216WR](https://openairdocs.org/aircraft/N216WR), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32488
- Aircraft time: 55,381 hours, 33,043 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Vapor Barrier
- 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/SWAA2023032001756

## Discrepancy

RT BS 663 VAPOR BARRIER CRACK AT RBL 48<[01] PREPARED DAMAGED AREA FOR REPAIR; AND PERFORMED DRY OUT; FOUND NO WATER; AS PER B737 SRM 51-70-04-2R-10.;[02] VERIFIED STEP 1; OK TO INSTALL REPAIR.;[03] APPLIED REPAIR AT R\H ON VAPOR BARRIER PER B737SRM 51-70-04-2R-10 MATERIAL USED RENIN EY 3804 PO#1800112 AND FIBER CLASS GALSS PO#0690463 AND PERFORMED TAP TEST ON REPAIR ARES NO DELAMINATION FOUND PER B737NTM51-05-01;[04] VERIFIED STEP 3;[05] APPLIED PRIMER AND TOPCOAT AT VAPOR BARRIER WEB PER AMM 28-11-00-600-801 AND AMM 51-21-81-370-802;[06] VERIFIED STEP 5;[07] APPLIED REPAIR AT R\H ON VAPOR BARRIER PER B737SRM 51-70-04-2R-10 MATERIAL USED RENIN EY 3804 PO#1800112 AND FIBER CLASS GALSS PO#0690463 AND PERFORMED TAP TEST ON REPAIR ARES NO DELAMINATION FOUND PER B737NTM51-05-01 AND APPLIED PRIMER AND TOPCOAT AT VAPOR BARRIER WEB PER AMM 28-11-00-600-801 AND AMM 51-21-81-370-802;[08] VERIFIED STEP 7

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