Service difficulty report · Sealant · Boeing 767323

Difficulty date
April 3, 2019
Submitted
April 5, 2019
Operation
Air carrier
Aircraft
N346AN
Make and model
Boeing 767323
Aircraft serial
33085
Aircraft time
61,102 hours, 10,043 cycles
Part
Sealant
Condition
Unbonded
Location
Fuel Cell
Stage of operation
IN
How discovered
9
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

AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS R/H INBOARD WING FUEL TANK HAS RUNNING LEAK OUT OF DRY BAY. ISOLATED 1 LEAK AREA DUE TO FAILED SEALANT AT RIB 9, FROM STRINGER LI6 TO L17, 2 INCHES ABOVE LOWER SKIN VIA BACK BLOW IAW AMM 28-11-00-796-111. REMOVED BAD SEALANT, CLEANED AND APPLIED NEW SEALANT IAW AMM 28-11-00-308-013. LEAK CHECKS GOOD, NO LEAKS NOTED.