Service difficulty report · Structure · Boeing 7478F

Difficulty date
April 1, 2026
Submitted
April 22, 2026
Operation
Air carrier
Aircraft
N610UP
Make and model
Boeing 7478F
Aircraft serial
64256
Aircraft time
30,134 hours, 4,439 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

CRACKED UPPER CHORD, DURING PERFORM SB EO-85445-JIC1 OPEN HOLE INSP AT ELEV STA 231.8, ELEV STA 256.8. REMOVE DAMAGE CHORD I.A.W SRM 51-40-02-0G REV.48. INSTALL NEW CHORD I.A.W SRM 51-40-02-0G REV.48 AND BOEING DWG NO.65B05731 SH8 REV.A AND 65B05731 SH9 REV.A AND 65B05731 SH10 REV.- AND 183U3301 SH6 REV.- AND 65B05744 SH4 REV.- AND 65B05745 SH2 REV.B AND 65B05746 SH2 REV.B AND 65B05747 SH2 REV.B AND 65B05748 SH2 REV.B AND 65B05750 SH2 REV.C AND 65B05750 SH3 REV.A AND 65B05750 SH4 REV.- AND 65B05785 SH4 REV.- AND 65B05886 SH2 REV.- AND 65B05759 SH3 REV.C AND 65B05759 SH2 REV.B AND 65B05871 SH2 REV.A AND 183U3420 SH2 REV.- AND 183U3430 SH2 REV.- AND 183U3440 SH2 REV.A AND 183U3450 SH2 REV.- AND 65B05758 SH2 REV.

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