# SDR ASAA2015122414458

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2015
- Submitted: December 29, 2015
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 26,631 hours, 7,950 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Valve
- Part number: 32156184
- Part serial: 6425
- Condition: Failed
- Location: Nr 2 Inlet
- Part time: 16,821 hours, 5,802 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015122414458

## Discrepancy

AFTER LANDING ENGINE TAI SELECTED OFF NR 2 ENGINE TAI REMAINED ON WITH BRIGHT BLUE COWL VALVE OPEN LIGHT AND TAI ANNUNCIATED ON ENGINE INSTRUMENTS. AFTER ENGINE SHUT DOWN COWL LIGHT WENT OUT.  ACFT GROUNDED.  REPLACED NR 2 ENGINE COWL THERMAL A/I CONTROL VALVE LEAK CHECK OPS CHECK GOOD REF 30-21-11-000-801.

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