# SDR USAASB00313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2000
- Submitted: March 5, 2001
- Operation: Air carrier
- Aircraft: [N336US](https://openairdocs.org/aircraft/N336US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23233
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32145525
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 28,175 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: J, M
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB00313

## Discrepancy

CLT - FLT 9228 - ON CLIMB-OUT FROM CLT, BETWEEN 13,000 - 14,000 FEET, THE NR 2 ENGINE OVERHEAT LIGHT ILLUMINATED.  CREW FOLLOWED PROCEDURES FOR THIS AND THEN HAD TO SHUTDOWN THE NR 2 ENGINE.  CREW DECLARED AN EMERGENCY AND THE FLIGHT RETURNED TO FIELD AT CLT WHERE IT LANDED WITHOUT FURTHER INCIDENT.  TOTAL SINGLE ENGINE TIME WAS 10 MINUTES.  MAINTENANCE FOUND THE NR 2 ENGINE PRSOV VALVE LEAKING.  REMOVED AND REPLACED PRSOV VALVE PER MM 36-00-00.  RAN ENGINE AT TAKEOFF POWER FOR 10 MINUTES.  NO FAULTS NOTED.  LEAK CHECK GOOD.  (M)

---
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.