Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
March 23, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
64,118 hours, 38,459 cycles
Part
Support Bracket
Condition
Cracked
Location
Zone 100
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 SUPPORT BRACKET BS 663.75 AND RBL 54 AT LOWER FUSELAGE 2025-204843<[01] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811019 DUE DATE 29 JAN 26.;[02] TOOL USED: POWER PACK P/N FMK0007096 S/N PE0414/70786 DUE DATE 03 JUN 25; THERMOMETER P/N FLUKE 566 S/N 54500056WS DUE DATE 08 JAN 26; MULTIMETER P/N FLUKE 87-Y S/N 65700232 DUE DATE 10 JAN 26.;[03] SUPPORT BRACKET LOCATED BS 663.75 AND RBL 54 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02-0G-0 PARAGRAPH 9 ;SRM 51-40-02-0G-0 AND DWG 111A1001 SHEET 270 REV- SEE INDIVIDUAL SIGNS OFF BELOW.;[04] CORRECTED STEP 3 <BR>REPLACED SUPPORT BRACKET LOCATED BS 663.75 AND RBL 54 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02-0G-0 PARAGRAPH 9 ;SRM 51-40-02-0G-0 AND DWG 111A1001 SHEET 270 REV- SEE INDIVIDUAL SIGNS OFF BELOW.;[05] CERTIFIED ACTION 4; COMPLETED

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