Service difficulty report · Generator · Boeing 7879

Difficulty date
October 27, 2021
Submitted
October 29, 2021
Operation
Air carrier
Aircraft
N839AA
Make and model
Boeing 7879
Aircraft serial
40646
Aircraft time
11,676 hours, 1,377 cycles
Part
Generator
Part number
7001330H03
Part serial
3326
Condition
Faulted
Location
Zone 400 - Nac/P
Part time
12,706 hours, 1,405 cycles
Component
Engine · Ge · GENX1B
Component part number
GENX1B70P2G01
Stage of operation
CR
How discovered
V
Nature of condition
J, G
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: DUAL GENERATOR FAILURE ON LH ENGINE, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED THE L2 AND L1 (AALA202110296982) VARIABLE FREQUENCY STARTER GENERATORS WITH SERVICEABLE UNITS IAW AMM 24-21-09-00B, LEAK AND OPS CHECK GOOD.

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