Service difficulty report · Rib · Boeing 7377K5

Difficulty date
July 4, 2026
Submitted
August 12, 2026
Operation
Air carrier
Aircraft
N7880D
Make and model
Boeing 7377K5
Aircraft serial
34693
Aircraft time
51,575 hours, 36,741 cycles
Part
Rib
Condition
Cracked
Location
Zone 600
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 INDICATION ON RT WING OTBD AFT FLAP, INBD CLOSURE RIB RADIUS. REPLACED THE RT OTBD AFT FLAP ASSY IAW AMM 27-51-22-401.

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