What was found
NR 2 ENGINE OIL PRESSURE DROPPED TO ZERO ACCOMPANIED WITH A LOW PRESSURE WARNING LIGHT. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED TO FIELD. *S/D* GEAR TEETH OF GEAR SHAFT ASSEMBLY WORN. REPLACED ENTIRE ENGINE, OPERATION CHECKS NORMAL.
- Difficulty date
- April 15, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N153UA
- Make and model
- Boeing 747123
- Aircraft serial
- 20102
- Engine
- Pwa JT9D7A
- System (JASC)
- 7260 · Turbine Engine Accessory Drive
- Part
- Gear Shaft
- Part number
- 80465801
- Condition
- Worn
- Location
- Nr 2 Engine Gb
- Stage of operation
- CR
- Nature of condition
- Y, J
- Precautionary procedure
- A, E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.