# SDR CKSA97279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N707CK](https://openairdocs.org/aircraft/N707CK), registered now
- Make and model: Boeing 747269B
- Aircraft serial: 21541
- Engine: Pwa JT9D7J
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Wire
- Condition: Broken
- Location: Nr 1 Engine
- 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/CKSA97279

## Discrepancy

NR 1 ENGINE A FIRE DETECTOR LOOP FLUCTUATING FULL SCALE.  TRANSFERRED TO DMI NR 242 IAW MEL 26-2 CAT C, PLACARDS INSTALLED.  REPAIRED BROKEN WIRE AT A-SYSTEM LOOP AT CANNON PLUG, OPS CHECK NORMAL IAW B747 26-11-00.  THIS CLEARS DMI 242.

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