Service difficulty report · Strap · Boeing 7377H4

Difficulty date
August 18, 2023
Submitted
September 19, 2023
Operation
Air carrier
Aircraft
N904WN
Make and model
Boeing 7377H4
Aircraft serial
36616
Aircraft time
51,012 hours, 30,668 cycles
Part
Strap
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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

WING CENTER SECTION CORROSION ON STRAP AT BS 685+13; RBL 65; WL 204. (MARKED) CORRECTION TO FAULT NAME CORROSION IS LOCATED ON ANGLE AT BS 685+13 RBL 65 WL 204.<[01] REMOVED CORROSION ON STRAP AT BS 685+13; RBL 65; WL 204 IN AN AREA OF 0.6'X1'X0.0013' IAW SRM 51-10-02-0G-0; TOOL USED ID:ATS400; DUE:09/2023;[02] INSPECTED AND VERIFIED CORROSION REMOVAL.;[03] COMPLETED MEASUREMENT TABLE.;[04] WING CENTER SECTION STRAP AT BS 685+13; RBL 65; WL 204 FOUND TO HAVE NO ALLOWABLE DAMAGE ENTRY; THEREFORE; DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0. REPAIRED DAMAGE ON WING CENTER SECTION CORROSION ON STRAP AT BS 685+13; RBL 65; WL 204 PER EA 23-153-02680.;[05] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 4 AND MEASUREMENT TABLE.

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