Service difficulty report · Blkhd Doubler · Fokker F28MK4000

Difficulty date
August 7, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N490US
Make and model
Fokker F28MK4000
Aircraft serial
11152
Part
Blkhd Doubler
Condition
Cracked
Location
Aft Press Blkhd
Stage of operation
IN
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

PDX- REPAIR DOUBLER HAS A CRACK THROUGH THE HI- LOK ON THE NR 2 BEAM OF THE REAR PRESSURE BULKHEAD BETWEEN BL 425L AND BL 1050L AT STRINGER NR 10 CONNECTION ANGLE. REMOVED DOUBLER, FABRICATED AND INSTALLED NEW DOUBLER IAW FOKKER SRM 51-11-4 AND 51-31-01.

More about the Fokker F.28 MK4000