Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
July 14, 2023
Submitted
August 17, 2023
Operation
Air carrier
Aircraft
N232WN
Make and model
Boeing 7377H4
Aircraft serial
32500
Aircraft time
57,989 hours, 34,674 cycles
Part
Support Bracket
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

CORROSION ON SUPPORT BRACKET LOCATED BS 312 RBL 54 AT LEVEL STR 17L AT FWD GALLEY AREA 2023-447504<[01] REPLACED SUPPORT BRACKET LOCATED BS 312 RBL 54 AT LEVEL STR 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND SRM B737-700 SRM 51-10-02. TOOK MEASURE OF CORROSION ARE: L= 0.625?; W= 0.550?; D= 0.035?. TOOL USED CALIPER P/N: 500-752-20; S/N:B21038258; DUE DATE: 20-SEP-23. EVALUATED CORROSION AND NOT FOUND ALLOWABLE DAMAGE ON B737-700 SRM 53-10-15-1A-1. ALLOWABLE DAMAGE 1.;[02] CORRECTED STEP 1. REPLACED SUPPORT BRACKET LOCATED BS 312 LBL 54 AT LEVEL STR 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND SRM B737-700 SRM 51-10-02. TOOK MEASURE OF CORROSION ARE: L= 0.625?; W= 0.550?; D= 0.035?. TOOL USED CALIPER P/N: 500-752-20; S/N:B21038258; DUE DATE: 20-SEP-23. EVALUATED CORROSION AND NOT FOUND ALLOWABLE DAMAGE ON B737-700 SRM 53-10-15-1A-1. ALLOWABLE DAMAGE 1.;[03] CERTIFIED WORK PERFORMED <BR>SEE INDIVIDUAL SIGNOFFS BELOW

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