# SDR AALA202105209010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2021
- Submitted: May 21, 2021
- Operation: Air carrier
- Aircraft: [N863NN](https://openairdocs.org/aircraft/N863NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30903
- Aircraft time: 31,476 hours, 12,811 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202105209010

## Discrepancy

AIRCRAFT WAS GROUNDED: #2 ENGINE ANTI-ICE VALVE COWL VALVE OPEN LIGHT AND "TAI" ON N1. EMERGENCY DECLARED AND RETURNED TO MIA.  REMOVED AND REPLACED #2 ENGINE COWL TAI VALVE IAW AMM 30-21-11

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