Service difficulty report · Gcu · Airbus A300F4605R

Difficulty date
March 27, 2018
Submitted
March 28, 2018
Operation
Air carrier
Aircraft
N679FE
Make and model
Airbus A300F4605R
Aircraft serial
793
Aircraft time
27,785 hours, 15,257 cycles
Part
Gcu
Part number
740120C
Part serial
4305
Condition
Malfunctioned
Location
Nr 2
Stage of operation
CL
How discovered
O
Nature of condition
G, J
Precautionary procedure
A

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

What was found

SHORTLY BEFORE ROTATION, THE NR 2 GENERATOR FAULTED. DURING CLIMBOUT THE FIRST OFFICER'S ND & PFD WENT BLANK. SGU NR 2 FAULT DISPLAYED ON ECAM. AFTER STARTING THE APU, ALL INSTRUMENTS SEEMED TO COME BACK ON NORMALLY. THE CAPTAIN`S INSTRUMENTS WORKED NORMALLY THE WHOLE TIME. LOST RIGHT WINDOW HEAT, YAW DAMPER NR 1, AND SPOILER NR 4, 1, & 6. TROUBLESHOT IAW TSM 24-99, FOUND THE NR 2 GCU FAILED ON GPCU ON LAST LEG. CHECKED THE NR 2 IDG FOR SERVICE, CHECKEDD NORMAL. RAN BOTH ENGINES IAW JRH, NR 2 GENERATOR OPS CHECKED NORMAL, AND CHECKED AUTO POWER SWITCH WHEN NR 2 GENERATOR IS SHUT OFF, NR 1 GEN AUTOMATIC SWITCHED AND POWERED THE NR 2 BUSS. R & R THE NR 2 GCU, 10XU LINECONTACTOR AND 12XU TRANSFER CONTACTOR IAW MM 24-22-12-04. 24-22-15-04, AND 24-22-18-04. RAN THE NR 1 AND 2 ENGINES IAW JRH BOTH GENERATORS CAME ON NORMALLY AND POWER THERE RESPECTED BUSSES. UNLATCHED THE NR 2 GENERATOR WHILE RUNNING AND NR 1 GENERATOR, POWERED THE NR 2 BUSS AUTOMATICALLY. OPS CHECKED NORMAL. PERFORMED AFS LAND TEST IAW MM 22-40-00-02, NR 2 YAW DAMPER, OPS CHECKED NORMAL. PERFORMED A WINSHIELD PANEL ADJUSTMENT & TEST IAW 30-42-00-05. OPS CHECKED NORMAL. PERFORMED A HYD SPOILERS ADJUSTMENT & TEST IAW MM 27-64-00-05. OPS CHECKED NORMAL. PERFORMED EFIS ADJUSTMENT & TEST OF FIRST OFFICER'S PFD AND ND IAW MM 34-71-00-05. OPS CHECKED NORMAL.

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