Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
November 22, 2021
Submitted
November 27, 2021
Operation
Air carrier
Aircraft
N405WN
Make and model
Boeing 7377H4
Aircraft serial
27893
Aircraft time
68,868 hours, 40,758 cycles
Part
Bracket
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

DURING INSPECTION OF STRUCTURE REMOVAL FOR L/H PICKLE FORK RREPLACEMENT; FOUND CORROSION ON LH UPPER SHELF BRACKET AT BS 665; LBL 62; WL 190 . FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS GIVEN IN SRM. A NEW BRACKET FABRICATED IAW DWG 144A9713. LOCATED, DRILLED & APPLIED CHEMICAL CONVERSION COATING TO NEW BRACKET IAW DWG 144A9713, DWG 144A7300, SRM 51-40-05, & SRM 51-20-01. APPLIED PRIMER AND FINISH COAT TO THE BRACKET IAW SRM 51-20-01 & AMM 51-21-73. INSTALLED THE NEW BRACKET IAW DWG 144A7300 & SRM 51-40-02.

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