Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
October 27, 2021
Submitted
November 1, 2021
Operation
Air carrier
Aircraft
N205WN
Make and model
Boeing 7377H4
Aircraft serial
34010
Aircraft time
56,743 hours, 33,605 cycles
Part
Doubler
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

BS 1042, 311AL ACCESS DOOR CUTOUT DOUBLER CORRODED, 2 INCHES BELOW STR 20L. CORROSION REMOVED IAW SRM 51-10-02. NO CRACKS NOTED UT MEASURED MATERIAL IAW NDT P4 51-00-00 P2 IAW EA #21-153-03210 WIP 1, REV A. LOCATED AND DRILLED IAW EA 21-153-03210 WIP 1, REV A. INSTALLED COUNTERSINK REPAIR WASHERS IAW EA 21-153-03210, WIP1 STEP 12, I STEP 13. INSTALLED REPAIR IAW EA 21-153-03210-WIP1, STEP 15.

More about the Boeing 737-7H4