Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 28, 2024
Submitted
September 3, 2024
Operation
Air carrier
Aircraft
N259WN
Make and model
Boeing 7377H4
Aircraft serial
35554
Aircraft time
59,213 hours, 35,661 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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 INSPAR RIB LOCATED RIB 129.50 AND 27 INCHES OF FRONT SPAR LT HORIZONTAL STAB 2024-458780<[01] TOOL USED IN STEP 3: EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 60009161631 DUE DATE: 11-MAR-25;[02] TOOL USED IN STEP 4: EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 60009161631 DUE DATE: 11-MAR-25;[03] EQUIPMENT USED P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 08-JAN-25;[04] MADE REPAIR PARTS LOC. INSPAR RIB 129.50 AND 27 INCHES OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM-51-40-02-0G-0 AND SRM-55-10-09-2R-4 REPAIR 4 STEP 4(M) TO (R);[05] CORRECTED STEP 4 <BR>PERFORMED REPAIR PARTS LOC. INSPAR RIB 129.50 AND 27 INCHES OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM-51-40-02-0G-0 AND SRM-55-10-09-2R-4 REPAIR 4 STEP 4(M) TO (R) SEE INDIVIDUAL SINGOFF BELOW.;[06] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SINGOFF BELOW

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