SDR UIEA2016082400700

Service difficulty report · Relay · Boeing 767324

Difficulty date: August 23, 2016
Submitted: August 25, 2016
Operation: Air carrier
Aircraft: N645GT
Make and model: Boeing 767324
Aircraft serial: 27393
Aircraft time: 89,022 hours, 16,922 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Relay
Part number: 5198588
Part serial: 1081836C
Condition: Faulty
Location: Apu
Stage of operation: IN
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

APU BITE MESSAGE, ACFT START CIRCUIT MINI FLAG 34 T/S IAW FIM 49-11, FT 991, EXAMINED ECU DH08B PIN J10 TO POSITIVE STARTER TERMINAL M893 NO FAULTS NOTED. CHECKED V ON K117 TERMINAL X1 AND FOUND VOLTAGE BETWEEN 21V AND 23V , REPLACED K197 , R & R APU STARTER MOTOR, OPS AND LEAK CHECK GOOD REF AMM 49-41-01.