Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 9, 2025
Submitted
June 9, 2025
Operation
Air carrier
Aircraft
N942WN
Make and model
Boeing 7377H4
Aircraft serial
36648
Aircraft time
51,445 hours, 31,499 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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 STAB STA 129.50 AND 9 INCH FROM REAR SPAR AT RT HORIZONTAL STABILIZER 2025-310003<[01] STEP 3 AND STEP 4. EDDY CURRENT EQUIPMENT USED P/N: NORTE 600D; S/N: 220273012 AND DUE DATE: 22-JAN-26.;[02] STEP 7. EDDY CURRENT EQUIPMENT USED P/N: NORTE 600D; S/N: 220273012 AND DUE DATE: 22-JAN-26.;[03] PERFORMED REPAIR ON INSPAR RIB LOCATED STAB STA 129.50 AND 9 INCH FROM REAR SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4. SEE INDIVIDUAL SIGN OFF BELOW.;[04] PERFORMED REPAIR ON INSPAR RIB LOCATED STAB STA 129.50 AND 9 INCH FROM REAR SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4. SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII

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