# SDR P5CA0401172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2004
- Submitted: August 20, 2004
- Operation: Air carrier
- Aircraft: [N453PA](https://openairdocs.org/aircraft/N453PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30811
- Aircraft time: 11,489 hours, 2,061 cycles
- Engine: Ge CF680C2*
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Relay
- Condition: Failed
- Location: Aoa Heat
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0401172

## Discrepancy

EICAS MESSAGE ON ENGINE START L AOA HEAT & R AOA HEAT.  RESET RELAYS R1423 & R1424, PERFORMED GROUND TEST PER MM 30-31-00 & ENGINE RUNUP PER 71-00-00, OPS CHECK NORMAL.

---
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.
