# SDR ASAA2014122610074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2014
- Submitted: December 29, 2014
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 15,437 hours, 4,533 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: LD
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014122610074

## Discrepancy

IN THE LANDING PHASE, ONCE THRUST REDUCED TO IDLE, LEFT COWL ANTI ICE & MASTER CAUTION LIGHTS FLICKERED ON/OFF 6-7X. DURING THRUST REVERSER DEPLOYMENT, ENGINE SPOOL UP FLICKERING STOPPED AND UPDATE, FLICKERING MORE FINAL TAXI.  ACFT GROUNDED.  PERFORMED NR 1 ENG COWL ANTI-ICE OPS TEST IAW AMM 30-21-00.  OPS CK OK.

---
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.