Service difficulty report · Bearing · Boeing 7377BD

Difficulty date
September 17, 2020
Submitted
May 25, 2021
Operation
Air carrier
Aircraft
N7738A
Make and model
Boeing 7377BD
Aircraft serial
33930
Aircraft time
46,161 hours, 24,728 cycles
Part
Bearing
Part number
115A52401
Condition
Corroded
Location
Lt Mlg Trunnion
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

THE LEFT MAIN GEAR FORWARD TRUNNION BEARING HAS MISSING CHROME AND WEAR WITH LIGHT CORROSION JUST AFT OF THE MISSING CHROME. / REMOVED AND REPLACED LH FWD TRUNNION BEARING. SEE TASK CARD 732-11-01 FOR ALL SIGN OFFS TAG NO: 648749 PN ON: 16A1188-17 SN ON: MF31-015 PN OFF: SN OFF: KO11908-018 TAG NO: 546939 PN ON: 115A5240-1 SN ON: 200146285-01 PN OFF: SN OFF: 200146547-01 TAG NO: 353455 PN ON: 115A5260-1 SN ON: 4840 PN OFF: SN OFF: 15T50661 TAG NO: 319031 PN ON: 115A5260-1 SN ON: 17T85175 PN OFF: SN OFF: 15T50660 TAG NO: 675892 PN ON: 161A1190-1 SN ON: MBM0889 PN OFF: SN OFF: MBM0020

More about the Boeing 737-7BD