Service difficulty report · Frame · Boeing 7377H4

Difficulty date
October 21, 2023
Submitted
January 3, 2024
Operation
Air carrier
Aircraft
N461WN
Make and model
Boeing 7377H4
Aircraft serial
32465
Aircraft time
64,738 hours, 38,739 cycles
Part
Frame
Part number
UNKNOWN
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 FRAME LOCATED BS 727D BTW STRINGER 8L TO STRINGER 9L AT PASSENGER CABIN 2023-652063<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23.;[02] PERFORMED VISUAL INSPECTION ON AREA AND FOUND ONLY DIRTY AND PERFORMED CLEAN IAW SOPM 20-30-03 HFEC WAS DONE AND NOT FOUND CRACK INDICATION IAW B737-700 SRM 51-10-02.;[03] CORRECTED STEP 2: PERFORMED VISUAL INSPECTION ON AREA AND FOUND ONLY DIRTY AND PERFORMED CLEAN IAW SOPM 20-30-03 HFEC WAS DONE AND NOT FOUND CRACK INDICATION IAW B737-700 SRM 51-10-02. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] TASK CARD COMPLETE.

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