Service difficulty report · Relay · Boeing 777222

Difficulty date
November 29, 2010
Submitted
December 6, 2010
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
60,859 hours, 11,207 cycles
Engine
Pwa PW4077
Part
Relay
Part number
8112507
Part serial
25
Condition
Faulty
Location
Lt Engine
Stage of operation
IN
How discovered
9
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

ENG IGNITER L2 LEFT ENGINE FAILED TO IGNITE USING IGNITER 2. STATUS MSG-7461501 INACTIVE ES MODE. REPLACED NR 1 ENG RELAY UNIT PER MM. RAN ENG TWO TIMES WITH NO FAULTS. TESTED ERU INSTALLATION PER MM. ALL CHECKS GOOD.