What was found
NR 4 ENGINE GEAR BOX WAS FOUND WITH A 3.0 INCH CRACK ON INBOARD SIDE OF FUEL PUMP DRIVE PAD AREA. ENGINE CHANGE IS CURRENTLY IN PROGRESS.
- Difficulty date
- February 6, 2008
- Submitted
- February 21, 2008
- Operation
- Air carrier
- Aircraft
- N522MC
- Make and model
- Boeing 7472D7B
- Aircraft serial
- 21783
- Aircraft time
- 99,406 hours, 19,929 cycles
- Engine
- Ge CF680
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Gearbox
- Condition
- Cracked
- Location
- Zone 400
- 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.