Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 28, 2024
Submitted
October 9, 2024
Operation
Air carrier
Aircraft
N256WN
Make and model
Boeing 7377H4
Aircraft serial
32514
Aircraft time
59,564 hours, 35,985 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
E
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 INSPAR RIB 120.30 LOCATED AT 36 INCHES OF FRONT SPAR AT LT HORIZONTAL STABILIZER 2024-528601<[01] STEPS 3 AND 4 TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012;CAL DUE DATE: 09-JAN-25;[02] CORRECTED STEP 1 TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012;CAL DUE DATE: 09-JAN-25 AND ELECTRONIC CALIPER P/N: 500-196-30; S/N: A22348307; CAL DUE DATE: 03-SEP-25;[03] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 09-JAN-25;[04] PERFORMED REPAIR ON INSPAR RIB 120.30 LOCATED AT 36 INCHES OF FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] CERTIFIED RII MAJOR REPAIR WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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