What was found
DURING OP 16 MAINT CHECK, FRAME PN 9911505-7 HAD 1 INCH CRACK AT BOTH LT AND RT OTBD CORNERS, STA 83 BELOW CENTER COCKPIT WINDOW. REPLACED WITH NEW CASTING SHOP DRILLED PER OLD SAMPLE PER DRAWING SRO 9950268.
- Difficulty date
- March 3, 2000
- Submitted
- April 13, 2000
- Operation
- Air carrier
- Aircraft
- N984Z
- Make and model
- Doug DC931
- Aircraft serial
- 47412
- Aircraft time
- 71,674 hours, 81,088 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- Location
- Bs 83
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.