# SDR P5CA0300766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2003
- Submitted: February 14, 2003
- Operation: Air carrier
- Aircraft: [N496MC](https://openairdocs.org/aircraft/N496MC), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 29257
- Aircraft time: 16,403 hours, 1,987 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Circuit Card
- Part number: 533T301181
- Condition: Faulty
- Location: Fire Warning
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0300766

## Discrepancy

ON LANDING ROLL EICAS MSG APPEARED -APU FIRE LOOP A-, -APU FIRE LOOP B- AND APU BOTTLE LOW-.  NO INTERIOR OR EXTERIOR INDICATIONS OF FIRE.  DE-ACTIVATED APU PER AMM 49-11-00-042-064 AND DEFERRED PER DDPG 49-11-01.

---
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.