What was found
DURING OP 16 MAINT CHECK, FOUND CASTING AT STA 756 LONGERON 20R TO 21R WAS CRACKED. REPLACED FRAME PER SERVICE BULLETIN 53-168.
- Difficulty date
- March 13, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N987Z
- Make and model
- Doug DC931
- Aircraft serial
- 47137
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Casting
- Condition
- Cracked
- Location
- Bs 756
- 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.