Service difficulty report · Tru · Boeing 767338

Difficulty date
February 21, 2026
Submitted
February 22, 2026
Operation
Air carrier
Aircraft
N317CM
Make and model
Boeing 767338
Aircraft serial
24317
Aircraft time
114,127 hours, 33,937 cycles
Part
Tru
Part number
427303
Part serial
0422
Condition
Malfunctioned
Location
Zone 100
Part time
77,082 hours, 23,915 cycles
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

APU FIRE LP I CREW DEFERRED PER MEL 26-15-1-1 PROBLEM IS POWER SWITCHING WITH RIGHT TRU. REMOVED AND REPLACED RIGHT TRU REF AMM 24-32-01. RIGHT DC POWER OPERATES NORMAL. ENGINE OH LOOP 1 CHECKS NORMAL REF B767 AMM 26-11-00. AIRCRAFT REMAINS "NO ETOPS"RETURNED AC TO SERVICE.