# SDR HALA2011051500197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2011
- Submitted: May 16, 2011
- Operation: Air carrier
- Aircraft: N588HA
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33466
- Aircraft time: 33,007 hours, 6,153 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pneumatic System
- Condition: Fluctuates
- Stage of operation: CL
- 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/HALA2011051500197

## Discrepancy

ETOPS SIGNIFICANT SYS - ON CLIMBOUT AND INITIAL DESCENT, LT PNUEMATIC DUCT PRESSURE FLUCUATED 10-15 PSI.  CHECKED AND CLEANED FILTERS ON PRC REGULATOR AND FAN AIR CONTROL VALVE AND PRSOV IAW AMM 36-11-19-404-034 AND AMM 36-11-09-422-163, AMM 36-11-17.  PERFORMED ENGINE RUN IAW AMM 71-00-00 DUCT PRESS STEADY 32 PSI IDLE, 38 PSI AT POWER COULD NOT DUPLICATE ON GROUND.

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