# SDR SWAA2023081459509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 66,457 hours, 39,411 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Vapor Barrier
- Part number: UNKNOWN
- 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/SWAA2023081459509

## Discrepancy

LOWER FUSELAGE CENTER WING BULKHEAD R/H VAPOR BARRIER UPPER CHORD ATTACHED ANGLE CRACKED AT RBL 40 STA 663.75<[01] OK TO INSTALL NEW VAPOR BARRIER UPPER CHORD ATTACHED ANGLE.;[02] REMOVED; FABRICATED AND INSTALLED NEW R/H VAPOR BARRIER UPPER CHORD ATTACHED ANGLE. REF B737 SRM 51-40-02-0G-0; DWG 111A1000; DWG 111A1322;[03] RII -- VERIFIED R/H VAPOR BARRIER UPPER CHORD ATTACHED ANGLE REPLACEMENT.

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