SDR AALA200802443A

Service difficulty report · Relay · Boeing 757223

Difficulty date: October 31, 2008
Submitted: December 23, 2008
Operation: Air carrier
Aircraft: N608AA
Make and model: Boeing 757223
Aircraft serial: 27446
Aircraft time: 46,643 hours
System (JASC): 2822 · Fuel Boost Pump
Part: Relay
Condition: Damaged
Location: Hyd Pump
Stage of operation: CR
How discovered: O
Nature of condition: K, J, G
Precautionary procedure: A

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

What was found

INFLIGHT - CREW REPORTED RIGHT HYDRAULIC SYSTEM QUANTITY LOSS AND LEFT HAND FORWARD FUEL BOOST PUMP FAILURE WITH AFT EXHAUST FAN NUMBER ONE STATUS MESSAGE AT CRUISE. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. REPLACED K102 AND K103 RELAYS. ALSO REPLACED RIGHT ENGINE DRIVEN PUMP PRESSURE DRAIN FILTERS AND SERVICED RIGHT HYDRAULIC SYSTEM TO FULL. SYSTEM GROUND CHECKED NORMAL OPERATION.