Service difficulty report · Unknown · Boeing 747412

Difficulty date
August 22, 2023
Submitted
August 26, 2023
Operation
Air carrier
Aircraft
N756CA
Make and model
Boeing 747412
Aircraft serial
26547
Aircraft time
91,799 hours, 14,930 cycles
Engine
Pwa PW4056
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

DURING INSPECTION, EVIDENCE OF FUEL LEAKAGE WAS DISCOVERED AT TANK NO. 3 RIGHT HAND WING REAR SPAR TO RIGHT HAND WHEEL WELL JUNCTURE, LIFTED/LOOSE SEALANT DISCOVERED. TANK SMALL AREA RESEAL REPAIR WAS ACCOMPLISHED IN DISCREPANT AREA PER AIRCRAFT MAINTENANCE MANUAL 28-11-00. NO LEAKS DETECTED/OBSERVED AFTER MINOR RESEAL CURED.