Service difficulty report · Frame · Boeing 7377BD

Difficulty date
June 26, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
56,723 hours, 30,056 cycles
Part
Frame
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 FRAME ON BS 303.9 BETWEEN STR16L TO STR17L AND WL213.1 FWD GALLEY AND LAV 2023-405030<[01] TOOL USED EDDY CURRENT EQUIPMENT PN. NORTEC 600D; SN 220272712; DUE DATE. 17-DEC-23<BR>TOOL USED UT EQUIPMENT PN. 45MG; SN. 130066401; DUE DATE. 21-SEP-23;[02] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24;[03] TOOL USED: RADIOMETER; PN: XRP-3000; SN:1753759; DUE DATE: 14-OCT-23;[04] REPAIRED FRAME ON BS 303.9 BETWEEN STR16L TO STR17L AND WL213.1 FWD GALLEY AND LAVATORY IAW EA23-153-02103-WIP1 AND EA23-153-02103 SEE INDIVIDUAL SIGNOFFS BELOW;[05] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGNOFFS BELOW

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