# SDR P5CA2013030500005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2013
- Submitted: March 5, 2013
- Operation: Air carrier
- Aircraft: [N450PA](https://openairdocs.org/aircraft/N450PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30808
- Aircraft time: 53,793 hours, 8,858 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2013030500005

## Discrepancy

PACK 2 EICAS MSG AFTER ENGINE START.  QRH COMPLETED.  DDG REFER TO REQUIRING M ACTION.  RETURNED TO BLOCKS.  FOUND NO MSG IN CMC.  PERFORMED CMC GROUND TEST.  TEST PASS.  PACK NR 2 OPERATIONAL TEST NORMAL IAW MM 21-52-00.

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