# SDR AALA202101029014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2020
- Submitted: January 3, 2021
- Operation: Air carrier
- Aircraft: [N838NN](https://openairdocs.org/aircraft/N838NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31097
- Aircraft time: 31,995 hours, 13,217 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Sensor
- Condition: Inoperative
- Location: Lt Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202101029014

## Discrepancy

AIRCRAFT WAS GROUNDED.  LEFT COWL ANTI-ICE AMBER LIGHT ILLUMINATED ON TAKEOFF ROLL, CREW REJECTED TAKEOFF AT APPROX 50 KNOTS.  LIGHT WENT OUT AS THRUST LEVERS WERE PULLED TO IDLE.  REPLACED NR 1 ENGINE TAI PRESSURE SENSOR, IAW AMM 30-21-21 AND COWL TAI VALVE (AALA202101029015) IAW AMM 30-21-11.  LEAK AND OPERATIONS CHECK GOOD.

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