Service difficulty report · Brake · Boeing 737823

Difficulty date
March 8, 2019
Submitted
March 11, 2019
Operation
Air carrier
Aircraft
N987NN
Make and model
Boeing 737823
Aircraft serial
33247
Aircraft time
9,657 hours, 3,889 cycles
Part
Brake
Part number
26123121
Part serial
B2067
Condition
Leaking
Location
Nr 4
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

DURING BRAKE RELEASE, PEDALS WENT TO THE FLOOR, NO BRAKES. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND THE NR 4 BRAKE LEAKING. REPLACED THE NR 4 BRAKE ASSEMBLY IAW AMM 32-41-41. PERFORMED A SATISFACTORY OPERATIONAL CHECK.