# SDR SWAA2022021616326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2018
- Submitted: May 12, 2022
- Operation: Air carrier
- Aircraft: [N7854B](https://openairdocs.org/aircraft/N7854B), registered now
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29372
- Aircraft time: 32,721 hours, 22,333 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Vapor Barrier
- Condition: Cracked
- Location: Rt Wheel Well
- 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/SWAA2022021616326

## Discrepancy

SUPPLEMENTAL INFORMATION: FOUND 2 CRACKS IN LOWER RIGHT VAPOR BARRIER WING CENTER SECTION SPAR. FIRST LOCATED RBL 37-40 APPROX 13-17 INCHES FROM BOTTOM MEASURING 3.25' IN LENGTH. SECOND AT RBL 41-42 AND 12-15' FROM BOTTOM MEASURING 1.5' IN LENGTH. / APPLIED SEAL TO CRACK PER SRM 57-10-10-1A-2 REPETETIVE ACTION REQUIRED DO A VISUAL INSPECTION OF THE REPAIR AREA FOR FURTHER DAMAGE. IF THE CRACK LENGTH GROWS PAST THE SEAL REFER TO SRM 57-10-10-1A-2 PARAGRAPH 4. IF THE CRACK LENGTH MEETS THE LIMITS IN PARAGRAPH 4; REFER TO SRM 57-10-10-1A-2 PARAGRAPH 2.C;(4). IF THE CRACK LENGTH EXCEEDS THE LIMITS IN PARAGRAPH 4 DO A PERMANENT REPAIR AS GIVEN IN 51-70-04 REPAIR 10.

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