SDR UALA2011122106993

Service difficulty report · Pump · Boeing 777222

Difficulty date: December 17, 2011
Submitted: January 17, 2012
Operation: Air carrier
Aircraft: N777UA
Make and model: Boeing 777222
Aircraft serial: 26916
Aircraft time: 67,147 hours, 12,242 cycles
Engine: Pwa PW4077
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Condition: Malfunctioned
Location: Hyd System
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

HYD PUMP MALFUNCTIONED. REF WDM 29-11-32, REMOVED CONNECTOR D200 08P FROM P200, CONNECTOR CHECKED OK. INSPECTED WIRES TO AFT SIDE OF FWD PIT DOOR. FOUND SPLICES SM1,2 AND 3 NORMAL, NO SIGNS OF HEAT DAMAGE ON SPLICES. FOUND CUSHION CLAMP MISSING RT SIDE NEAR P300 NEXT TO LIGHT ASSY, CTR BUNDLE. SECURED BUNDLE FROM AFT OF FWD PIT DOOR TO P300 PANEL.