Service difficulty report · Cylinder · Boeing 737900ER

Difficulty date
February 28, 2022
Submitted
February 28, 2022
Operation
Air carrier
Aircraft
N81449
Make and model
Boeing 737900ER
Aircraft serial
31651
Aircraft time
30,955 hours, 11,157 cycles
System (JASC)
3245 · Tire Tube
Part
Cylinder
Part number
162A11207
Condition
Damaged
Location
Nlg
Stage of operation
UK
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

SUSPECTED NOSE WHEEL DAMAGE....SMOKE REPORTED FROM TIRE RUBBING FOUND BOTH NLG WHEELS BEARINGS DAMAGED. ATTACHED PICTURES. ATTACHED PICTURES AFTER DETAIL INSPECTION IAW AMM TASK 32-21-00-200-801, FOUND SPACER MISSING ON BOTH AXLES, REF IPC 32-45-21-03 ITEM 25 UPON FURTHER INSPECTION FOUND BOTH LEFT AND RIGHT NOSE GEAR AXELS WITH DAMAGE. REQUIRES NEW INNER CYLINDER. REMOVED AND REPLACED NLG INNER CYLINDER ASSY. REF AMM 32-21-24-400-801. OPS CHECKS AND LEAK CHECKS GOOD. A/C OK TO CON TINUE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1954144 SN OFF 4998 VERIFIED INSTALLATION OF NLG LOWER ASSY. OPS CHECK GOOD NO LEAKS AND STRUT SERVICED REF CHART RE CHECK OF X DIM ON DIP CYLINDER, NLG, OFF 59-3221-9-9001 4998 ON 59-3221-9-9001 0639

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