# SDR ASAA2016100118165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2016
- Submitted: October 3, 2016
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 37,849 hours, 11,495 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Valve
- Part number: 32156184
- Part serial: 2202C
- Condition: Failed
- Location: Anti Ice System
- Part time: 48,547 hours, 18,656 cycles
- Stage of operation: CL
- 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/ASAA2016100118165

## Discrepancy

DURING CLIMB OUT, WITH ENGINE ANTI-ICE ON. RECEIVED A AMBER ANTI-ICE LIGHT ON NR 1 ENG. FOLLOWED QRH PROCEDURES AND REDUCED THRUST ON THE NR. 1 ENGINE AND THE LIGHT EXTINGUISHED WITH APPROXIMATELY A 5% REDUCTION IN N1. ADVANCED THRUST IN CLIMB OUT AND THE LIGHT STAYED EXTINGUISHED. WITH THE ENGINE ANT-ICE ON.  ACFT GROUNDED. PERFORMED  FIM TASK 30-21-809 FOUND #1 ENG COWL ANTI VALVE BAD. FOUND BAD REMOVED AND REPLACED  IAW AMM 30-21-11 OPS CHECK GOOD, LEAK CHECK GOOD, OK FOR SERVICE.

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