Service difficulty report · Wheel · Boeing 777222

Difficulty date
March 7, 2024
Submitted
March 11, 2024
Operation
Air carrier
Aircraft
N226UA
Make and model
Boeing 777222
Aircraft serial
30226
Aircraft time
85,260 hours, 10,040 cycles
Part
Wheel
Part number
76747772MLG
Part serial
0563
Condition
Missing
Location
Nr 10 Mlg
Part time
6,098 hours, 820 cycles
Stage of operation
CL
How discovered
O
Nature of condition
D
Precautionary procedure
B, A

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

What was found

PDA 1 #10 MLG WHEEL ASSY FELL OFF ON TAKEOFF. ACCOMPLISHED CONDITIONAL INSPECTION FOR PART DEPARTED AIRPLANE IN REF TO AMM 05-51-59. NO DEFECTS NOTED CONDITIONAL INSPECTION WAS ACCOMPLISHED IN REF TO AMM 05-51-59. PARTS TRANSACTION UPDATE R & R #10 TIRE REF AMM 32-45-01-000-801/400-801. NEED TO REMOVE LEFT MAIN LANDING GEAR AFT AXLE REF LP 7287782 REMOVED LEFT MAIN LANDING GEAR AFT AXLE REF AMM REF AMM TASK 32-11-26-000-803. INSTALLED LFT MAIN LANDING GEAR AFT AXLE REF AMM TASK 32-11-26-4 00-803 UPTO STEP F10(G) AXLE, MLG, ASSY OFF 27-3211-9-0022 0404 ON 0000 AXLE, MLG, ASSY OFF 27-3211-9-0022 0404 ON 27-3211-9-0032 0123 C/W INSTALLATION CHECK REF ASMM TASK 32-11-26-400-803. BRAKE ASSY FOR MAINTENANCE IN REF TO AMM 32-45-07 C/BS PULLED AND COLLARD IN REF TO AMM 32-45-07 C/W BRAKE ROD INSTALLATION IDT, VERIFIED PIN PROPERLY INSTALLED. BRAKE WAS REMOVED, INSTALLED NEW BRAKE ASSY REF AMM 32-45-07 COMPLETED TO STEP H (19) IDT REQ INSP BRAKE ROD ASSY REF GMM 09-10-05 CHAPTER 32 (B). MAINT TURN OVER VERBAL GIVEN "BRAKE ASSY REQS OPS CHK.