Service difficulty report · Frame · Boeing 7377H4

Difficulty date
April 27, 2021
Submitted
June 3, 2021
Operation
Air carrier
Aircraft
N412WN
Make and model
Boeing 7377H4
Aircraft serial
29818
Aircraft time
65,852 hours, 38,836 cycles
Part
Frame
Condition
Corroded
Location
Bs 1006
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

***CORROSION*** ON FRAME AT AREA AFT OF AFT CARGO BAY BS1006 BL0 WL188. / ACCOMPLISHED DETAILED DAMAGE REMOVAL; INSPECTION AND REFINISH INSTRUCTIONS TO CORRODED AREA ON FRAME AT BS1006 BL0 WL188 IAW EA 21-153-01339 REV IR AND ATS ER 21-01845 REV IR

More about the Boeing 737-7H4