Service difficulty report · Tachometer · Airbus A300B4622R

Difficulty date
February 5, 2018
Submitted
February 5, 2018
Operation
Air carrier
Aircraft
N726FD
Make and model
Airbus A300B4622R
Aircraft serial
575
Aircraft time
52,404 hours, 27,110 cycles
Part
Tachometer
Part number
C201050002
Part serial
55119
Condition
Failed
Location
Nr 4
Part time
464 hours, 270 cycles
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING LANDING, THE NR 4 TIRE BLEW. AT APPROX 50KTS STARTING TO BREAK FOR THE HIGH SPEED TURNOFF C TAXIWAY. BITE TEST OF BSCU SHOWS NO FAULTS. DUE TO HISTORY, REMOVED AND REPLACED THE NR 4 BRAKE ASSY IAW MM 32-42-27-4. REMOVED AND REPLACED NR 4 MLG, NORMAL BRAKE SERVO VALVE IAW MM 32-42-16-04. REMOVED AND REPLACED THE NR 4 MLG TACHOMETER IAW MM 32-42-57-04. REMOVED AND REPLACED THE NR 4 MLG TIRE ASSY IAW 12-37-32-0-02.

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