Service difficulty report · Switch · Boeing 74747UF

Difficulty date
March 9, 2009
Submitted
March 10, 2009
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
42,870 hours, 6,960 cycles
Part
Switch
Part number
MS250081
Condition
Failed
Location
Parking Break
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

BLOCK TURN BACK DURING TAXI OUT CREW REPORTED BRAKE STATUS MESSAGE DISPLAYED. TROUBLESHOT TO PARKING BRAKE PEDESTAL SWITCH. REPLACED SWITCH OPS CHECKED NORMAL.

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