What was found
AT FL 39.0 NR 4 ENGINE WOULD NOT MAINTAIN POWER AND SLOW RESPOND. ENGINE REPLACED FOR COMPANY CONVENIENCE
- Difficulty date
- July 9, 2003
- Submitted
- July 17, 2003
- Operation
- Air carrier
- Aircraft
- N524UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21446
- Aircraft time
- 67,242 hours, 17,925 cycles
- Engine
- Pwa JT9D7J
- Engine time
- 49,698 hours, 12,907 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Part number
- JT9D7J
- Part serial
- 702000
- Condition
- Malfunctioned
- Location
- Nr 4
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.