# SDR ASAA2018122417507

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 37,938 hours, 11,327 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Peeling
- Location: Aft
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018122417507

## Discrepancy

AFT OUTFLOW VALVE AFT GATE ANTI SKATING FOIL PEELING. GROUNDED - YES. REMOVED THE LOOSE FOIL FROM THE AFT OUTFLOW VALVE AFT GATE REF B737-800 AMM 21-31-03-400-801 STEP 3F(4). THE OUTFLOW VALVE IS SERVICEABLE, NO FURTHER MAINTENANCE NECESSARY.

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