Service difficulty report · Rib · Boeing 7377CT

Difficulty date
October 28, 2025
Submitted
December 1, 2025
Operation
Air carrier
Aircraft
N7881A
Make and model
Boeing 7377CT
Aircraft serial
35084
Aircraft time
56,447 hours, 30,369 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

RIGHT HORIZONTAL STABILIZER NR 6 INSPAR RIB AT STABILIZER STATION 138.70; 3RD VERTICAL STIFFENER IS CRACKED. PERFORMED REPAIR AT HORIZONTAL STABILIZER NO 6 INSPAR RIB STABILIZER STATION 138.70 3RD VERTICAL STIFFENER IAW SRM 55-10-09-2R-4, REPAIR 4.

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