# SDR I5EA201606273601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2016
- Submitted: June 27, 2016
- Operation: Air carrier
- Aircraft: N529AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 24411
- Aircraft time: 68,028 hours, 43,496 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Unknown
- Condition: Multiple Fail
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5EA201606273601

## Discrepancy

BOTH ENGINE BLEED AIR GAUGES READ 0 AND ACFT WOULD NOT PRESSURIZE, F/O INSTRUMENTS ALL FLAGGED, AND CAPTAINS, COMPUTER, FLAG INTERMITTENT.  R & R THE CABIN PRESSURE CONTROLLER PANEL IAW AMM 21-31-25. OPS CHECK IAW 21-31-00. CAPTAIN ADI COMPUTER FLAG, NAV COMPUTER FAILED.  REALIGNED IRU ACCOMPLISHED DFCS ADJ/TEST IAW AMM 23-11-00 CHECK NORMAL.  CO-PILOT ADI AIRSPEED, DG AND ALTIMETER WERE FLAGGED, AIRDATA AND NAV COMPUTER FAILED.  ACCOMPLISHED DFCS ADJUST /TEST IAW AMM 22-11-00, CHECK OK.

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