# SDR FDEA2020071091474

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2020
- Submitted: July 10, 2020
- Operation: Air carrier
- Aircraft: [N320FE](https://openairdocs.org/aircraft/N320FE), registered now
- Make and model: Doug MD-10-30F
- Registry model: [Doug MD-10-30F](https://openairdocs.org/model/mcdonnell-douglas-md-10-30f) (OpenAirDocs)
- Aircraft serial: 47835
- Aircraft time: 104,148 hours, 31,618 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Warning Light
- Condition: False Activation
- Location: Nr 3 Air System
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA2020071091474

## Discrepancy

LVL 1 AIR SYS OFF ALERT. AIR SYS AUTOMATICALLY SHUT  OFF NR 3 BLEED AND NR 3 PACK.   NR 3 DUCT WENT MOMENTARILY RED PRIOR TO AUTO SHUTDOWN OF NR 3 AIR  SYS.   CHECKED PNEUMATIC MANIFOLD FAULT INDICATOR IN CAC.  NO FAULT BALLS ARE ILLUMINATED.  CHECKED AIU'S,  PSC'S AND THE MSC.  THERE WERE NO FAULTS PERTAINING TO THE NR 3 PNUEMATIC SYS.  PERFORMED DECAY CHECK  WITH APU IAW AMM 36-00-01, DECAY CHECK PASSED.

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