Service difficulty report · Counterbalance · Boeing 76734AF

Difficulty date
March 28, 2026
Submitted
March 30, 2026
Operation
Air carrier
Aircraft
N351UP
Make and model
Boeing 76734AF
Aircraft serial
37874
Aircraft time
33,594 hours, 12,073 cycles
Part
Counterbalance
Condition
Out Of Adjust
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

FORWARD ENTRY DOOR IS HEAVIER AND HARDER TO OPEN THAN OTHER FORWARD ENTRY DOORS. ADJUSTED THE COUNTERBALANCE IAW AMM 52-12-16.

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