What was found
HEAVY CHECK, MAJOR REPAIR. AFT DORSAL FIN HAS NUMEROUS AREAS OF LEVEL 2 CORROSION AROUND THE NUT PLATES. REPLACED PART BY FABRICATION IAW ATR42 SRM 55-35-30 REV 100 FIGURE 101.
- Difficulty date
- October 8, 2013
- Submitted
- December 10, 2013
- Operation
- Air carrier
- Aircraft
- N923FX
- Make and model
- Aerosp ATR42300
- Aircraft serial
- 135
- Aircraft time
- 30,905 hours, 38,940 cycles
- System (JASC)
- 5534 · Vertical Stabilizer Miscellaneous Structure
- Part
- Structure
- Part number
- S53979011200
- Condition
- Corroded
- Location
- Vertical Stab
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.