# SDR USAASB99177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N516AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23702
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 1726256
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 39,865 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB99177

## Discrepancy

PIT - FLT 620 - EN ROUTE FROM LAS TO PHL, DURING CRUISE, THE NR 1 ENGINE COWL ANTI-ICE LIGHT ILLUMINATED WHEN SELECTED ON.  CREW REDUCED POWER AND LIGHT EXTINGUISHED.  FLIGHT DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT.  (M)

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