Service difficulty report · Structure · Boeing 7478F

Difficulty date
October 27, 2025
Submitted
November 10, 2025
Operation
Air carrier
Aircraft
N609UP
Make and model
Boeing 7478F
Aircraft serial
64254
Aircraft time
30,057 hours, 4,416 cycles
Part
Structure
Part number
65B05731103
Condition
Cracked
Location
Zone 300 Elev
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

PERFORM EO-85445-JIC1 L/H OUTBOARD ELEVATOR MODIFICATION FOUND CRACK AT UP CHORD, ELEV STA 256.8 AREA. ++LH OUTBOARD ELEVATOR FRONT SPAR AND RIB REINFORCEMENT. COMPLETE PER SB 74755-2069.

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