# SDR P5CA0300899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2003
- Submitted: July 17, 2003
- Operation: Air carrier
- Aircraft: N524UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- 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)](https://openairdocs.org/jasc/7200)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0300899

## Discrepancy

AT FL 39.0 NR 4 ENGINE WOULD NOT MAINTAIN POWER AND SLOW RESPOND.  ENGINE REPLACED FOR COMPANY CONVENIENCE

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
