Service difficulty report · Structure · Boeing 7377H4

Difficulty date
July 11, 2022
Submitted
August 16, 2022
Operation
Air carrier
Aircraft
N484WN
Make and model
Boeing 7377H4
Aircraft serial
33841
Aircraft time
59,912 hours, 35,588 cycles
Part
Structure
Condition
Corroded
Location
Aft Fuselage
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 FLOOR STRUCTUREEXISTING REPAIR LOC. BS 986.5 AT RBL 39 AND WL 208.11 AFT GALLEY AREA 2022-381212 / [01] TOOL USED UT EQUIPMENT P/N: 45MG; S/N: 130066701; CAL DUE DATE: 08-APR-23;[02] TOOL USED PN:NORTEC 600D;PN:200053402;DUE DATE:13-MAY-23;[03] TOOL USED DIGITAL CALIPER P/N 500-193-30 S/N 0000293 DUE DATE 16-SEP-22.;[04] PERFORMED PERMANENT REPAIR FLOOR STRUCTURE LOC. BS 986.5 AT RBL 39 AND WL 208.11 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-4. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] CORRECTED STEP 4. PERFORMED PERMANENT REPAIR FLOOR STRUCTURE LOC. BS 986.5 AT RBL 39 AND WL 208.11 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 2. SEE INDIVIDUAL SIGN OFFS BELOW;[06] PERFORMED PERMANENT REPAIR FLOOR STRUCTURE LOC. BS 986.5 AT RBL 39 AND WL 208.11 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 2. SEE INDIVIDUAL SIGN OFFS BELOW

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