SDR CALA2014010290030

Service difficulty report · Relay · Boeing 767322

Difficulty date: December 31, 2013
Submitted: January 3, 2014
Operation: Air carrier
Aircraft: N641UA
Make and model: Boeing 767322
Aircraft serial: 25091
Aircraft time: 95,244 hours, 15,055 cycles
Engine: Pwa PW4060
System (JASC): 2410 · Alternator-Generator Drive
Part: Relay
Condition: Failed
Location: Lt Engine
Stage of operation: IN
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

LT IDG VLV STATUS MESSAGE. TROUBLESHOT IAW FIM 24-20-00 PG 105, BLOCK 1 & 2 ARE BOTH, NO NEED TO START AT BLOCK 3, FIG 102, PG 106. ALSO PERFORMED BITE ON PBCU, NO IDG FAULTS, NR 1 ENG, IDG OIL SERVICED, SCAVENGE FILTER DPI IS GOOD. CHECKED WIRING & CONNECTORS, IAW SERVICE TIP 24-20-00 PG 100. REPLACED K1033 RELAY IAW 24-11-11. NEED TO ACCOMPLISHED HIGH POWER RUN. ACCOMPLISHED RUN, NOT HIGH POWER, NO EICAS MESSAGE AFTERWARD.