Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 17, 2025
Submitted
July 21, 2025
Operation
Air carrier
Aircraft
N294WN
Make and model
Boeing 7377H4
Aircraft serial
32540
Aircraft time
57,920 hours, 34,928 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

CRACKS (2 E/A INBOARD AND 1 OUTBOARD ) INSPAR RIB 120.30 LOCATED ON WEB BTW UPPER CHORD AND FRONT SPAR FITTING AT RT HORIZONTAL STABILIZER. PERFORMED REPAIR ON INSPAR RIB 120.30 LOCATED ON WEB LOCATED RT HORIZONTAL STABILIZER IAW EA 25-155-01736 AND EA 25-155-01736 WIP 1.

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