# SDR AMTA200600735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2006
- Submitted: December 28, 2006
- Operation: Air carrier
- Aircraft: [N517AT](https://openairdocs.org/aircraft/N517AT), registered now
- Make and model: Boeing 757-23N
- Registry model: [Boeing 757-23N](https://openairdocs.org/model/boeing-757-23n) (OpenAirDocs)
- Aircraft serial: 27973
- Engine: Rroyce RB211535E4
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 32143068
- Part serial: 1407
- Condition: Unserviceable
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200600735

## Discrepancy

IN CRUISE, AT 390 FL, BLEED AIR DUCT LT INDICATORS SPLIT L=44, R=58, EPR NR 1=159, NR 2=158, N1 NR1 87.1, NR 2 87.9.  REMOVED AND REPLACED PRSOV NR 2 ENG SYS CHECK NORMAL REF 36-11-09-2.  (K)

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