Service difficulty report · Idg · Boeing 777222

Difficulty date
February 7, 2014
Submitted
February 10, 2014
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
51,237 hours, 6,170 cycles
Engine
Pwa PW4090
Part
Idg
Condition
Malfunctioned
Location
Rt Engine
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ELEC GEN SYS RT IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GEN CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. STATUS MESSAGE 01- LATCHED CLIMB MODE DEPENDENT, IDG RT FREQUENCY IS LOW, DB GCU RT. REPLACED GCU IAW MM 24 -22-02 PG 401, NO HELP, MESSAGE PERSISTS. REPLACED NR 2 ENG IDG IAW AMM 24-11-01 PG 401.