# SDR FDEA201007202607

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2010
- Submitted: July 20, 2010
- Operation: Air carrier
- Aircraft: N207FE
- Make and model: Boeing 727-2S2F
- Registry model: [Boeing 727-2S2F](https://openairdocs.org/model/boeing-727-2s2f) (OpenAirDocs)
- Aircraft serial: 22929
- Aircraft time: 35,646 hours, 20,778 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Regulator
- Part number: 72909
- Part serial: 712A
- Condition: Inoperative
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201007202607

## Discrepancy

ON CLIMBOUT, SMOKE IN COCKPIT STARTED AND CONTINUED TO GET WORSE. "AIR RETURNED" AND SHUTDOWN ON TAXIWAY.  SMOKE LESSENED WHEN THROTTLES WERE RETARTED TO ILDE AND COMPLETLY WENT AWAY AFTER SHUTDOWN.  R & R  HYD AIR PRESSURE REGULATOR IAW SMP.  RAN ALL ENGINES IAW JRH TO 85 PERCENT N2, OPERATED PACKS, NO COCKPIT SMOKE NOTED. ALSO "A" SYS RESERVOIR HEAD PRESSURE NOW READS NORMAL.  ACFT OK FOR SERVICE.  PREMATURE REMOVAL/INSTALLATION.

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