Service difficulty report · Pressure Switch · Boeing 767322

Difficulty date
January 18, 2012
Submitted
February 14, 2012
Operation
Air carrier
Aircraft
N664UA
Make and model
Boeing 767322
Aircraft serial
29236
Aircraft time
48,074 hours, 13,044 cycles
Engine
Pwa PW4056
Part
Pressure Switch
Condition
Faulty
Location
Hydraulic Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

C ADP CYCLES ON AND OFF IN AUTO MODE. CREW COMMENTS: SUSPECT 'C' ADP CYCLING DURING GEAR RETRACTION AS PER DESCRIPTION BY F/A IN MID CABIN. AUTO FUNCTION INOP PER MEL. REPLACED PRESSURE SWITCH PER AMM.