Service difficulty report · Block · Boeing 777222

Difficulty date
November 16, 2012
Submitted
November 20, 2012
Operation
Air carrier
Aircraft
N769UA
Make and model
Boeing 777222
Aircraft serial
26921
Aircraft time
70,179 hours, 12,535 cycles
Engine
Pwa PW4077
Part
Block
Condition
Corroded
Location
Cabin
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

EMERGENCY OVERHEAD LIGHTS, RIGHT SIDE ROW 38 TO 46 INOP. FOUND GROUND BLOCK 20691 CORRODED. ATTACHED WIRES TO TEMPORARY GROUND, LIGHTS ALL CHECK GOOD. NEEDS NEW GROUND BLOCK INSTALLED & WIRES INSTALLED. REINSTALLED NEW GROUND BLOCK, STILL NEEDS TO BE REWIRED. REPLACED PINS REF SWPM 20-90-15 AND SECURED WIRES AT TERMINAL BLOCK GB20691DC REF WDM 33-51-16. ALL EMERGENCY LIGHTS OP CHECKED GOOD PER AMM.