SDR UIEA2019102965795

Service difficulty report · Unknown · Boeing 76731K

Difficulty date: October 25, 2019
Submitted: October 29, 2019
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 105,785 hours, 20,711 cycles
System (JASC): 2400 · Electrical Power System
Part: Unknown
Condition: Malfunctioned
Location: Lt Ac Buss
Stage of operation: TX
How discovered: O
Nature of condition: H
Precautionary procedure: O

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

What was found

UPON LEFT ENGINE SHUTDOWN DURING TAXI IN, LOST L AC BUS, DIDN'T TRANSFER.(<P>AFTER TURNING A/C DARK, TRANSFERRED POWER FROM GPU TO APU AND APU TO GPU, COULD NOT DUPLICATE FAULT PER AMM 24-51-00. </P><P>LP 1097272 - M7: PER MCC REQUEST, RAN ENGINE IAW AMM 71-00-00 TO PERFORM POWER DISTRIBUTION CHECK PER AMM 24-51-00, OPS CHECK NORMAL AT THIS TIME.</P>)

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