Service difficulty report · Seal · Gulstm GVI

Difficulty date
May 9, 2016
Submitted
May 17, 2016
Operation
General aviation
Aircraft
N6D
Make and model
Gulstm GVI
Aircraft serial
6126
Aircraft time
373 hours, 159 cycles
System (JASC)
5200 · Doors
Part
Seal
Part number
60P5200904Z010
Part serial
NSN
Condition
Contaminated
Location
Zone 800
Part time
373 hours, 159 cycles
Stage of operation
NR
How discovered
O
Nature of condition
K, B
Precautionary procedure
O

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

What was found

DURING PREFLIGHT OPENED AFTER EQUIPMENT BAY DOOR, BOILER ROOM AND PILOT WAS DOUSED WITH APPROXIMATELY .5 CUP OF FUEL WHICH HAD POOLED ON THE INNER SURFACE OF THE DOOR. SUBSEQUENT INVESTIGATION FOUND THAT FUEL LEAKING FROM APU FUEL METERING UNIT DRAIN PORT IN FUSELAGE, FWD OF THE DOOR, IS BEING SUCKED INTO BOILER ROOM THROUGH INADEQUATE SEALING OF THE AFT EQUIPMENT BAY DOOR. AFT EQUIPMENT BAY DOOR SEAL IS ATTACHED WITH AN ADHESIVE THAT IS ADVERSELY AFFECTED BY FUEL AND OR SKYDROL CONTAMINATION.