What was found
NR 2 ENGINE WOULD NOT START, LIGHT CAME ON BUT NO ROTATION. RETURNED TO BLOCKS, NR 2 ENGINE STARTER TO GEARBOX COUPLING FOUND SHEARED. COUPLING REPLACED AS PER MM 72-61-09.
- Difficulty date
- April 26, 2012
- Submitted
- May 24, 2012
- Operation
- Air carrier
- Aircraft
- N118UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28811
- Aircraft time
- 53,234 hours, 6,398 cycles
- Engine
- Pwa PW4056
- Engine time
- 3,200 hours, 24,750 cycles
- System (JASC)
- 8011 · Engine Starter
- Part
- Coupling
- Part number
- RD70R650
- Condition
- Sheared
- Location
- Nr 2 Starter
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.