Service difficulty report · Switch · Boeing 757222

Difficulty date
December 12, 2010
Submitted
December 17, 2010
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
71,230 hours, 20,762 cycles
Engine
Pwa PW2037
Part
Switch
Part number
211C223517
Condition
Intermittent
Location
Hyd Pump
Stage of operation
NR
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

NR 1 CENTER ELECTRIC HYDRAULIC PUMP LOW PRESSURE LIGHT INTERMITTANT. LIGHT FOUND TO BE INTERMITTENT. DEFERRED PER MEL. PUMP VERIFIED TO OPERATE NORMALLY ON EICAS. REPLACED NR 1 CENTER PRESSURE SWITCH PER MM. OPS OKAY. LIGHTS OPERATE NORMALLY.