# SDR SWAA2021031743848

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2021
- Submitted: March 17, 2021
- Operation: Air carrier
- Aircraft: [N8612K](https://openairdocs.org/aircraft/N8612K), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36973
- Aircraft time: 27,436 hours, 12,079 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Barrier
- Condition: Cracked
- Location: R/H Mlg W/W
- 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/SWAA2021031743848

## Discrepancy

RIGHT MLG WHEEL WELL; AFT SPAR VAPOR BARRIER CRACKED FROM RBL 31.83 TO RBL 34.83.5' DIAGONAL CRACK (10' FROM BOTTOM OF VAPOR BARRIER)PERFORMED INTERIM REPAIR IAW SRM 57-10-10. DO A VISUAL INSPECTION OF THE REPAIR AREA AT 1200 FLIGHT CYCLE INTERVALS OR MORE FREQUENTLY. REPETITIVE ACTION REQUIREDPERFORM VISUAL INSPECTION TO ENSURE CRACK HAS NOT GROWN IAW SRM 57-10-10 AT NOT MORE THAN EVERY 1200 FLIGHT CYCLES. /

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