Service difficulty report · Generator · Boeing 737990ER

Difficulty date
June 20, 2020
Submitted
June 22, 2020
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
16,923 hours, 5,356 cycles
Part
Generator
Part number
28B5459STYLEA
Part serial
125F1895
Condition
Failed
Location
Apu
Part time
5,285 hours, 9,773 cycles
Stage of operation
NR
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 FAULT LIGHT ILLUMINATED DURING ATTEMPTED START. GROUNDED - YES. REF FIM 49-40 TASK 803 R/R APU GENERATOR. OP/LEAK CHK GOOD.