Service difficulty report · Module · Boeing 767306

Difficulty date
March 13, 2019
Submitted
March 15, 2019
Operation
Air carrier
Aircraft
N1229A
Make and model
Boeing 767306
Aircraft serial
28884
Aircraft time
69,227 hours, 15,193 cycles
Part
Module
Part number
38850811
Part serial
011
Condition
Faulty
Location
Apu
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

APU RELIABILITY COLD SOAK START ATTEMPTED LEG CVG - ONT SAT -33C FL 360 , UNSUCCESSFUL AFTER 3 ATTEMPTS (<P>NOTED BY MX , REF LOG PAGE 1069052 ITEM 3 TRANSFERRED TO MDDR # 108569 AS PER MEL 49-11-01A CAT C </P><P>LOG PAGE 1069053 PERFORMED APU BITE TEST IAW FIM 49-11 FT 987 , ECU SHOWING MINIFLAG 15 , REMOVED AND REPLACED FLOW SENSOR MODULE IAW AMM 49-53-08 OPS CHECK NORMAL AT THIS TIME , MDDR # 108569 CLOSED </P>)