# SDR SWAA2021032958330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2021
- Submitted: March 29, 2021
- Operation: Air carrier
- Aircraft: [N481WN](https://openairdocs.org/aircraft/N481WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29853
- Aircraft time: 56,985 hours, 33,701 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Retainer
- Condition: Cracked
- Location: Lt Wing
- 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/SWAA2021032958330

## Discrepancy

LEFT WING T/E SHELF PANEL VERTICAL BULB SEAL RETAINER CRACKED INBD OF FLAP DEFLECTOR BEAM / R&R VERTICAL BULB SEAL RETAINER PER MM REF 20-50-11

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