Service difficulty report · Fire Warning · Boeing 74745E

Difficulty date
August 23, 2026
Submitted
August 24, 2026
Operation
Air carrier
Aircraft
N578UP
Make and model
Boeing 74745E
Aircraft serial
27154
Aircraft time
127,639 hours, 21,465 cycles
Part
Fire Warning
Condition
False Activation
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FIRE CARGO FWD EICAS MSG ON SHORT FINAL EXTINGUISH AFTER APPROX 15 SECONDS NO STATUS MSG ,CMC MSG SHOWS CARGO FWD. -4 LOOP -B FAIL ,FIM 26-16 TASK 891 FOLLOWED. OPERATIONAL TEST C/OUT,TEST PASS.REV 15 JUL 2026.

More about the Boeing 747-45E