# SDR SWAA2021021640498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2021
- Submitted: February 17, 2021
- Operation: Air carrier
- Aircraft: N401WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29813
- Aircraft time: 68,079 hours, 40,102 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Skate Angle
- Condition: Chafed
- Location: Vertical Stab
- 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/SWAA2021021640498

## Discrepancy

LH INTERFACE CLOSURE (SKATE ANGLE) MATING SURFACE CHAFED; BS 1010 TO BS 1016 / REMOVED & REPLACED L/H INTERFACE CLOSURE (SKATE ANGLE) AT BS1006 TO BS1016 IAW SRM 51-40-02-0G-0 & DWG 147A0030 REV.B 59191U 01-12-2021 & DWG 147A0070 REV- 59191U 01-12-2021

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