Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
October 3, 2023
Submitted
November 2, 2023
Operation
Air carrier
Aircraft
N456WN
Make and model
Boeing 7377H4
Aircraft serial
32463
Aircraft time
63,098 hours, 37,806 cycles
Part
Bracket
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 SUPPORT BRACKET LOCATED BS 986.5 TO BS 1006 BETWEEN S-24L TO S-25L AND WL156 AFT CARGO COMPARTMENT 2023-615042<[01] REPLACED SUPPORT BRACKET AND FASTENERS LOCATED BS 986.5 TO BS 1006 BETWEEN S-24L TO S-25L AND WL156 AFT CARGO COMPARTMENT AND FASTENERS IAW B737-700 SRM 51-40-02 AND DWG 147A7443 SHEET 4 REV: B;[02] CORRECTION ACTION 1: REPLACED SUPPORT BRACKET AND FASTENERS LOCATED BS 986.5 TO BS 1006 BETWEEN S-24L TO S-25L AND WL156 AFT CARGO COMPARTMENT AND FASTENERS IAW B737-700 SRM 51-40-02 AND DWG 147A7443 SHEET 4 REV: B. SEE INDIVIDUAL SING-OFFS BELOW;[03] CORRECTION ACTION 2: REPLACED SUPPORT BRACKET AND FASTENERS LOCATED BS 986.5 TO BS 1006 BETWEEN S-24L TO S-25L AND WL156 AFT CARGO COMPARTMENT AND FASTENERS IAW B737-700 SRM 51-40-02 AND DWG 147A7443 SHEET 4 REV: B. SEE INDIVIDUAL SIGN-OFFS BELOW;[04] CORRECTIVE ACTION STEP 3 CERTIFIED RII

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