Service difficulty report · Pcb · Boeing 767322

Difficulty date
October 7, 2025
Submitted
October 8, 2025
Operation
Air carrier
Aircraft
N652UA
Make and model
Boeing 767322
Aircraft serial
25390
Aircraft time
129,851 hours, 19,764 cycles
Part
Pcb
Part number
285T003117
Part serial
D00954
Condition
Faulted
Location
Eicas
Part time
829,837 hours, 719,762 cycles
Stage of operation
LD
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

EICAS GEAR NOT DOWN WITH CONFIG ANUNCIATION OCCURED WHEN NOSE GEAR TOUCHED DOWN. CARRIED OUT FIM 31-51 FAULT TREE 812 AND PSEU BITE AS PER FIM 32-09 FAULT TREE 803, PSEU NO PREVIOUS SECTOR FAULTS AND CURRENT FAULTS CLEAR PSEU CLEARED. CARRIED OUT FIM 31-51 FAULT TREE 805 AND FOUND LANDING CONFIGURATION WARNING MODULE FAULTY. REMOVED AS PER AMM TASK 31-51-04-004-133, INSTALLED AS PER AMM TASK 31-51-04-404-014. WEU CARD MODULE TEST CARRIED OUT AS PER AMM TASK 31-51-04-724-154, TEST PASSED EICAS WARNING CLEARED AND ANNOUNCITOR EXTINGUISHED.