Service difficulty report · Skin · Boeing 7478

Difficulty date
December 10, 2021
Submitted
December 10, 2021
Operation
General aviation
Make and model
Boeing 7478
Aircraft serial
1495
Aircraft time
24,795 hours, 4,344 cycles
Part
Skin
Part number
183U33008
Condition
Cracked
Location
Elevator
Part time
24,795 hours, 4,344 cycles
Stage of operation
NR
How discovered
O
Nature of condition
E
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SUBJECT OUTBOARD ELEVATOR ASSEMBLY WAS RECEIVED IN FOR REPAIRS. THE ELEVATOR'S UPPER SKIN PANEL FASTENERS HAD WORKED LOOSE, AND THE FIBERGLASS SKIN PANEL'S ATTACHMENT HOLES HAD BECOME ELONGATED. FURTHER VISUAL INSPECTION OF THE ELEVATOR ASSEMBLY LOCATED CRACKS IN THE ELEVATOR'S FORWARD SPAR, WEB, SPAR'S UPPER CHORD, AND WITHIN OTHER LEADING EDGE PANELS (COVES) OF THE ELEVATOR.

More about the Boeing 747-8