# SDR SWAA2021051326028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2020
- Submitted: May 13, 2021
- Operation: Air carrier
- Aircraft: [N7873A](https://openairdocs.org/aircraft/N7873A), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 29350
- Aircraft time: 46,639 hours, 25,204 cycles
- System (JASC): [5534 · Vertical Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5534)
- 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/SWAA2021051326028

## Discrepancy

VERTICAL FIN L/H SKATE ANGLE HAS MULTIPLE SPOTS OF CHAFING DAMAGE BS1016 - BS1121. / REPAIRED VERTICAL FIN L/H SKATE ANGLE BTW. BS1016. TO BS1022 AS PER B737-700 SRM 53-80-71-2R-6 AND CHAFING DAMAGE LOCATED BS1022 TO BS1127 IS LIMITED TO EXTERIOR FINISH ONLY; DETERMINED NO MATERIAL LOSS AS PER B737-700 SRM 51-70-02-0G-0; APPLIED CHEMICAL CONVERSION COATING AND PRIMER FROM BS 1022-1121 AS PER SRM 51-20-01-0G-0 AND FINISH PAINT.

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