Service difficulty report · Bracket · Boeing 7377CT

Difficulty date
February 23, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N566WN
Make and model
Boeing 7377CT
Aircraft serial
32753
Aircraft time
67,249 hours, 34,782 cycles
Part
Bracket
Condition
Cracked
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

CRACK BRACKET LOCATED BS259.5 TO BS277 AT LEVEL STR 8 AT PASSENGER CABIN 2023- 106360<[01] TOOL USED: TEMPERATURE CONTROLLER: P/N: 48VFL11; S/N: AE-31448; DUE DATE: 14-JUN-23.;[02] REPLACED BRACKET AND FASTENERS LOCATED BS259.5 TO BS277 AT LEVEL STR 8 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND 51-10-02 DRAWING 141A9502 SHEET (1); REV (A) AND HEAT TREATED AND CONVERTED FROM 6013-T4 TO CONDITION 6013-T6<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[03] CORRECTED STEP 2:<BR>REPLACED BRACKET AND FASTENERS LOCATED BS259.5 TO BS277 AT LEVEL STR 8L AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND 51-10-02 DRAWING 141A9502 SHEET (1); REV (A). MATERIAL USED ALUMINUM SHEET PN:6013-T4 0.050? PO:2021 233206 CONVERTED TO CONDITION 6013-T6. SEE INDIVIDUAL SIGNOFFS BELOW.;[04] STEP 2 VERIFIED AND CORRECTIVE ACTION COMPLETED: CERTIFIED AS RII ; REPLACED BRACKET AND FASTENERS Ï¿½ LOCATED BS259.5 TO BS277 AT LEVEL STR 8L AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND 51-10-02 DRAWING 141A9502 SHEET (1); REV (A). MATERIAL USED ALUMINUM SHEET PN:6013-T4 0.050? PO:2021 233206 CONVERTED TO CONDITION 6013-T6. SEE INDIVIDUAL SIGNOFFS BELOW.

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