# SDR 04FDEA00559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2004
- Submitted: March 4, 2004
- Operation: Air carrier
- Aircraft: [N319FE](https://openairdocs.org/aircraft/N319FE), 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: 47820
- Aircraft time: 73,623 hours, 19,053 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Pressure Switch
- Condition: Malfunctioned
- Location: Pneu Manifold
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04FDEA00559

## Discrepancy

NR 3 MANIFOLD FAILURE LIGHT ILLUMINATED IN CRUISE AT FL 370.  RED TABS FOLLOWED.  T/S PER TAFI 36-23-00 FAULT CODE BC/YZ.  PROBLEM  DUPLICATED WITH OR WITHOUT PNEU SYS NR 3 PRESSURIZED.  ACCOMPLISHED NR 3 PNEUMATIC SYSTEM DECAY CHECK PER  DC-10 JRH TEST PASSED.  WHEN DUPLICATING PROBLEM PNEU PRESSURE SWITCH FAULT BALL WOULD ILLUMINATE ON FAULT INDICATOR WITH FAIL LIGHT.  REMOVED AND REPLACED NR 3 PNEUMATIC MANIFOLD FAILURE PRESSURE SWITCH PER MM 36-23-03-4.  OPS CHECKED NORMAL.  ITEM CLEARED, A/C OK TO CONTINUE.

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