Service difficulty report · Rib · Boeing 7377H4

Difficulty date
November 2, 2025
Submitted
December 9, 2025
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
57,369 hours, 34,854 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 ON INSPAR RIB LOCATED STAB STA 129.50 AND 28 INCHES OF FROM SPAR AT RT HORIZONTAL STABILIZER. STEP 5 ANND STEP 6. EDDY CURRENT EQUIPMENT USED P/N: NORTEC 600D; S/N: 250593109 AND DUE DATE: 06-OCT-26. REPAIRED INSPAR RIB LOCATED STAB STA 129.50 AND 28 INCHES OF FROM SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4.

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