What was found
MTC PERFORMED F/U-SWAP M681 AND M682 LH ENG FIRE DETECT CARDS AND LEAVE SWAPPED FOR EVALUATUION. SWAPPED CARDS M681 AND M682 IAW AMM 26-10-01 OPS CK GOOD. A/C REMAIN NO ETOPS. A/C RETURNED TO SERVICE.
- Difficulty date
- May 6, 2026
- Submitted
- May 7, 2026
- Operation
- Air carrier
- Aircraft
- N317CM
- Make and model
- Boeing 767338
- Aircraft serial
- 24317
- Aircraft time
- 114,520 hours, 34,107 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Circuit Card
- Part number
- 644501
- Condition
- Faulted
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.