Service difficulty report · Bracket · Gulstm GIVXG450

Difficulty date
August 8, 2021
Submitted
August 26, 2021
Operation
Air carrier
Aircraft
N421QS
Make and model
Gulstm GIVXG450
Aircraft serial
4114
Aircraft time
10,162 hours, 4,948 cycles
Part
Bracket
Part number
1159EL5015535
Condition
Corroded
Stage of operation
NR
How discovered
L
Nature of condition
H
Precautionary procedure
A

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

What was found

LEFT ENGINE GENERATOR: LEFT AC/DC FAILURE IN AMBER. TROUBLESHOT TO SUSPECTED LEFT IDG GROUNDING BRACKET AND FEEDER CABLE ATTACHMENT HARDWARE. NOT ALL PARTS AVAILABLE. COMPILED WITH AQRD RFTS-105208 TO TEMP REPAIR BRACKET FOR PROPER GROUNDING OF E4130B FEEDER CABLE. PERFORMED DIRECT CURRENT LOAD DISTRIBUTION SYSTEM OPERATIONAL CHECK !AW G450 MM CH.24-60-00. RAMPED AIRCRAFT AND STARTED ENGINES IAW THE G450 AFM. PERFORMED LEAK CHECK OF LEFT AND RIGHT ENGINE IDG'S REF G450 MM CH.71-00-00. PERFORMED ENGINE ALTERNATING CURRENT GENERATION OPERATIONAL CHECK IAW G450 MM CH.24-21-00. PERFORMED AC LOAD DISTRIBUTION SYSTEM OPERATIONAL TEST !AW G450 MM CH.24-50-00. OPERATIONAL AND LEAK CHECKS GOOD.