# SDR HALA9900009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N140AA](https://openairdocs.org/aircraft/N140AA), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46712
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Valve
- Part number: P195
- Condition: Malfunctioned
- Location: Nr 3 Engine
- Stage of operation: CR
- Nature of condition: M
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA9900009

## Discrepancy

HNL - FLT 09 - LOG PAGE: 4917181.  DURING CRUISE (WITH NR 2 PNEU SELECTOR PLACARDED INOP AND NR 1 PNEU SYS TEMP HI LIGHT ILLUMINATED.  PERFORMED EMERG CHKLST AND DOWNLOADED TO 2-PACK OPERATION (NR 1 AND NR 3 PACKS ON, SUPPLIED BY NR 3 PNEU SYS.  WHEN NR 1 PNEU SELECTOR TURNED OFF, TEMP AND PRESS DECREASED.  TEMP 265 DEREES CELSIUS PRESS 45 PSI).  NR 3 PNEU SYS PRESS INDICATION DROPPED TO ZERO AND BEGAN FLUCTUATING BETWEEN ZERO - 60 PSI.  APPEARED TO BE ONLY INDICATION AS NR 1 PRESS REMAINED CONSTANT AND CABIN RATE NEVER FLUCTUATED.  REMOVED AND REPLACED NR 1 ENG FAN AIR VALVE TEMP CONTROL SENSOR.  REMOVED AND REPLACED PNEU CONTROLLER.  OPS LEAK AND CHECK OK.  REF:  OPER CNTRL NR 99ZZZX571 AND 99ZZX572.  (X)

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