# SDR ASAA2016120118913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2016
- Submitted: December 5, 2016
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 9,689 hours, 3,204 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Valve
- Part number: 32156185
- Part serial: 11180
- Condition: Failed
- Location: Anti Ice Sys
- Part time: 9,680 hours, 3,198 cycles
- Stage of operation: TX
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016120118913

## Discrepancy

AMBER TAI INDICATION ON NR 2 ENGINE WITH ENGINES SHUT DOWN AT GATE. ACFT GROUNDED.  REMOVED AND REPLACED THE NO. 2 ENGINE COWL TAI VALVE IAW AMM 30-21-11-401-801 & 000-801 & 000-802. NR 2 COWL TAI VALVE OPS CHECKED NORMAL IAW AMM 30-21-11-400-801.  NR 2 ENGINE ANTI ICE SWITCH, TAI LIGHT EXTINGUISHED. TAI LIGHT OPS CKS NORMAL.

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