# SDR IPXA2022081385198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2022
- Submitted: August 15, 2022
- Operation: Air carrier
- Aircraft: [N250UP](https://openairdocs.org/aircraft/N250UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48745
- Aircraft time: 63,502 hours, 14,728 cycles
- Engine: Ge CF680C2*
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Condition: Faulty
- Location: Nr 1
- Stage of operation: CR
- 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/IPXA2022081385198

## Discrepancy

INSPECTION TYPE:N/ALVL 1 FIRE DET 1 FAULT. DEFERRED FIRE DET 1 LOOP B PER MEL 26-11-1, DMP C/W. PLACARD INSTALLED. DEFERRAL # M788738 APPLIED.CFDS SHOWS LOWER FIRE DETECTION ASSY B LOOP BROKEN. REPLACED #1 LOWER B LOOP IAW AMM 26-11-03, OPS CK GOOD, THIS CLEARS M 788738 PLACARD REMOVED.

---
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.