Service difficulty report · Pump · Boeing 757222

Difficulty date
May 9, 2012
Submitted
July 13, 2012
Operation
Air carrier
Aircraft
N561UA
Make and model
Boeing 757222
Aircraft serial
26661
Aircraft time
64,982 hours, 23,881 cycles
Engine
Pwa PW2037
Part
Pump
Part number
65057
Part serial
503
Condition
Leaking
Location
Hyd System
Stage of operation
LD
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

LOST ALL HYD QUANTITY ON LEFT SIDE ON SHORT FINAL. LT ENGINE PUMP LOW PRESSURE LIGHT FLICKERED FOLLOWED BY LT SYSTEM LOW PRESSURE LIGHT. BOTH LT ENGINE AND LT ACMP SHUTOFF. AFTER LANDING LT REVERSER DID NOT OPERATE BUT STEERING OPS NORMAL. LT QTY AFTER PARKING AT GATE .12. CENTER AND RIGHT HYD QTY NORMAL. FOUND NR 1 EDP LEAKING FROM SHAFT SEAL DRAIN. REPLACED NR 1 EDP PER AMM 29-11-05 AND REPLACED EDP FILTERS, SERVICE HYD SYS. OPS CHECKED REVERSER. NO FAULTS OR LEAKS. RAN NR 1 ENGINE AT IDLE. EDP CHECKED GOOD.