What was found
FRAME 67-2 CRACKED AT RIGHTHAND SIDE OF VERTICAL FIN BASE RIB WHERE ATTACHES TO COMPOSITE TAIL CONE. STOP DRILLED BUT DAMAGE EXCEEDS 1.02 MAXIMUM CRACK LIMIT. REPAIRED IAW HORIZON AIR EA 4-53-430.
- Difficulty date
- May 24, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N478US
- Make and model
- Fokker F28MK4000
- Aircraft serial
- 11227
- System (JASC)
- 5530 · Vertical Stabilizer
- Part
- Frame
- Condition
- Cracked
- Location
- Frame 67-2
- 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.