- Difficulty date
- January 9, 2011
- Submitted
- January 12, 2011
- Operation
- Air carrier
- Aircraft
- N421QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4149
- Aircraft time
- 9,801 hours, 10,526 cycles
- Part
- Rib
- Condition
- Cracked
- Location
- Wing
- Stage of operation
- IN
- How discovered
- 9
- 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
C2 CHECK - FOUND BOTH OTBD RIBS CRACKED ON LT L/E PANEL 511AL. REMOVED CRACKED FLANGES IAW SRM 51-42-05-02-01. VERIFIED AREA AS CRACK FREE IAW NDTM 8.1.0-1. FABRICATED REPAIR ANGLE AND MATCH DRILLED IAW RD 8/4-57-105. TREATED, PRIMED AND INSTALLED REPAIR ANGLES IAW RD 8/4-57-105.