Service difficulty report · Bearing · Boeing 777232

Difficulty date
October 6, 2016
Submitted
November 9, 2016
Operation
Air carrier
Aircraft
N706DN
Make and model
Boeing 777232
Aircraft serial
30440
Aircraft time
38,510 hours, 3,504 cycles
Part
Bearing
Condition
Migrated
Location
Te Flap
Stage of operation
IN
How discovered
V
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

LT WING NR 2 FLAP TRACK AFT DRIVE FITTING BEARING MIGRATION. MIGRATION BEARING AT LT WING NR 2 FLAP TRACK AFT FAIRING AFT DRIVE FITTING REMOVED AS PER BSOPM 20-50-03 REV 107 IAW CMM 57-26-60 REPAIR 9-1 REV 23 HOLE MEASURED DIA. 1.1898" ALLOWABLE HOLE DIA. 1.1875" - DIA. 1.1885". OVERSIZED HOLE REWORKED AND FOUND WITHIN LIMIT AS PER CMM 57-26-60 REPAIR 9-2 REV 23. EXISTING HOLE DIA. 1.1898" , FINAL HOLE DIA. 1.248", MAXIMUM ALLOWABLE DIA. 1.2485". REPAIR SLEEVES BUSHING 02 EA FABRICATED BY MACHINING AND INSTALLED AS PER BSOPM 20-50-03 REV 107 IAW CMM 57-26-60 REPAIR 9-2 REV 23. NEW BEARING INSTALLED AS PER BSOPM 20-50-03 REV 107 IAW CMM 57-26-60 REPAIR 9-1 REV 23. LT WING NR 2 FLAP TRACK AFT FAIRING AFT DRIVE FITTING REMOVED AND REINSTALLED AS PER AMM 27-51-22.