What was found
FIRE DETECTION #1 ENG "B" LOOP WON'T TEST ("A" LOOP OK). GROUNDED - YES. FOUND RING TERMINAL ON AFT RIGHT LOOP PULLED OUT. REMOVED AND REPLACED HARNESS MW326 REF B737-800 AMM 26-11-02. OPS NORMAL REF AMM 26-11-00.
- Difficulty date
- June 8, 2021
- Submitted
- June 14, 2021
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 49,243 hours, 14,866 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Wire Harness
- Part number
- 3250276060
- Condition
- Pulled
- Location
- Nr 1 Fire Loop
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.