SDR DALA2017090606680

Service difficulty report · Electrical Sys · Boeing 767432ER

Difficulty date: September 3, 2017
Submitted: September 6, 2017
Operation: Air carrier
Aircraft: N829MH
Make and model: Boeing 767432ER
Aircraft serial: 29700
Aircraft time: 68,381 hours, 13,966 cycles
System (JASC): 2400 · Electrical Power System
Part: Electrical Sys
Condition: Unknown
Stage of operation: CR
How discovered: 9
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

RETURNED TO DEPARTURE DUE TO A SUSPECTED ELECTRICAL PROBLEM, CAUSING FLICKERING LIGHTS AND PULSATING IN THE CONTROL COLUMN. PERFORMED A STDBY POWER SYS OPS TEST WITH NTF. REPLACED THE BATTERY AND CHARGER, LEFT TRU, RELAYS K105 AND K109. RAN LEFT ENGINE WITH ALL ELECTRICAL LOAD, NTF. BITE TEST OF BPCU, TESTED OK. VERIFICATION FLIGHT GOOD.