Service difficulty report · Electronic Unit · Boeing 767338

Difficulty date
March 7, 2024
Submitted
March 7, 2024
Operation
Air carrier
Aircraft
N307AZ
Make and model
Boeing 767338
Aircraft serial
28725
Aircraft time
83,702 hours, 24,599 cycles
Part
Electronic Unit
Part number
879703
Part serial
298
Condition
Faulted
Location
Terminal Joint
Part time
86,702 hours, 24,599 cycles
Stage of operation
CL
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

POST FLIGHT CREW REPORTED, FWD CARGO AND LEFT EMERGENCY DOOR EICAS DISPLAYED ONCE ON CLIMB OUT AND ONCE IN CRUISE FOR APPROXIMATELY 2 SECONDS. PRESSURIZATION WAS NORMAL. FLIGHT CONTINUED UNAFFECTED AND WITHOUT INCIDENT. PSEU BITE CHECK NOTED THE FOLLOWING FAULTS: CARD 04, 05, AND 02, TARGET 204, 215,219,214, AND 192. BROKEN SOLDER JOINT ON CARD 05 WHICH IS RELATED TO ALL OTHER CO-EXISTING FAULTS. PROX SWITCH ELECTRONIC UNIT REMOVED AND REPLACED IAW B767 AMM 32-09-04. OPERATIONAL CHECK GOOD. NO FAULTS NOTED.