Service difficulty report · Brake Assy · Boeing 737823

Difficulty date
June 23, 2024
Submitted
June 25, 2024
Operation
Air carrier
Aircraft
N991NN
Make and model
Boeing 737823
Aircraft serial
31242
Aircraft time
23,014 hours, 9,716 cycles
Part
Brake Assy
Part number
26123121
Part serial
B8774
Condition
Seized
Location
Mlg
Stage of operation
LD
How discovered
9
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

AIRCRAFT WAS GROUNDED: RIGHT OUTBOARD TIRE BLEW WHILE EXITING RUNWAY. CAPTAIN FELT RESISTANCE AT TAXI SPEED AS IF BRAKES WERE APPLIED ON THE RIGHT SIDE. A FEW SECONDS LATER THERE WAS A POP THAT WAS THOUGHT TO BE THE ANTI-SKID RELEASING. PILOTS COMMENTED THAT IT FELT SLOW BUT DID NOT FEEL THAT THE AIRPLANE WAS ROUGH LIKE WHEN TAXIING WITH A BLOWN TIRE. EXAMINATION POST FLIGHT APPEARS THAT THE RIGHT WHEEL IS COMPLETELY LOCKED AND WAS SKIDDING. REMOVED AND INSTALED NEW NUMBER 4 MLG WHEEL (AALA202406255388), PER AMM 32-45-11. NUMBER 4 MLG BRAKE FOUND SEIZED AS WELL, REMOVED AND REPALCED BRAKE (AALA202406252909), PER AMM 32-41-41.