What was found
NR 4 ENGINE INLET GUIDE VANE CASE HAD NUMEROUS CRACKS AT WELDS. WELDED CRACKS ON INLET CASE IAW P&W OVERHAUL MANUAL 72-21-1.
- Difficulty date
- April 18, 2001
- Submitted
- June 28, 2001
- Operation
- Air carrier
- Aircraft
- N828AX
- Make and model
- Doug DC863
- Aircraft serial
- 45999
- Aircraft time
- 78,059 hours, 25,067 cycles
- Engine
- Pwa JT3D7
- Engine time
- 72,879 hours, 22,151 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Case
- Part number
- 633683
- Condition
- Cracked
- Location
- Nr 4 Engine
- 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.