Service difficulty report · Angle · Boeing 7377H4

Difficulty date
July 16, 2021
Submitted
July 20, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Angle
Condition
Corroded
Location
Bs 947
Stage of operation
NR
How discovered
9
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

CORROSION ON BS 947 LOWER TRANSITION ANGLE LBL 12; WL 156. CORROSION ON SUPPORT FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS AGE GIVEN THE SRM. REMOVED TRANSITION ANGLE IAW SRM 51-40-02-0G-0, LOCATED AND DRILLED A NEW TRANSITION ANGLE IAW SRM 51-40-05-0G-0 & DGW 149A8110 DWG 149A8117. INSTALLED ANGLE IAW SRM 51-40-05-0G-0 AND DGW 149A8110 DWG 149A8117.

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