# SDR AALA202012149009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2020
- Submitted: December 15, 2020
- Operation: Air carrier
- Aircraft: [N940NN](https://openairdocs.org/aircraft/N940NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33323
- Aircraft time: 21,487 hours, 8,251 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 32156185
- Condition: Inoperative
- Location: Rt 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/AALA202012149009

## Discrepancy

AIRCRAFT WAS GROUNDED.  DURING TAKEOFF ROLL, ADVANCED THRUST LEVERS AND STABILIZED AT APPROXIMATELY 40% N1.  PRESSED TO/GA AND RELEASED BRAKE, MASTER CAUTION ILLUMINATED FOR RT COWL ANTI-ICE AND TAKEOFF WAS ABORTED.  REPLACED RT ENGINE THERMAL ANTI-ICE VALVE, IAW AMM 30-21-11.  OPERATIONS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.