Service difficulty report · Driver Unit · Boeing 76734AF

Difficulty date
January 11, 2026
Submitted
January 30, 2026
Operation
Air carrier
Aircraft
N309UP
Make and model
Boeing 76734AF
Aircraft serial
27740
Aircraft time
70,895 hours, 24,347 cycles
Part
Driver Unit
Part number
835109
Part serial
C9284
Condition
Faulted
Location
Zone 800
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

EMERGENCY DECLARED, CARGO DOOR INDICATION EICAS PERFORMED BITE TEST ON PSEU IAW FIM 32-09 FAULT TREE 803. FOUND INTERNAL PSEU DRIVER CARD 006 AND SENSOR 892 FAULTED. REPLACED DRIVER CARD 006 IAW AMM 32-09-06, OPS CHECK GOOD. CHECKED ADJUSTMENT OF S892 SENSOR GAP, FOUND TO BE 0.100 INCHES, PERFECTLY ADJUSTED. UPON OPERATION OF DOOR, NO FAULTS FOUND. THIS CLEARS DEF 2866728.

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