# SDR CALA2013080790206

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2013
- Submitted: August 8, 2013
- Operation: Air carrier
- Aircraft: [N211UA](https://openairdocs.org/aircraft/N211UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30217
- Aircraft time: 47,975 hours, 10,366 cycles
- Engine: Pwa PW4077
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Warning Message
- Condition: False Activation
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013080790206

## Discrepancy

EICAS STATUS MESSAGE "APU CONTROL", WITH MX MESSAGE 49-12990 ON MAT.  INSPECTED MAGNETIC CHIPS, OIL & SCAVENGE FILTER & WIRING HARNESS,  NO DISCREPANCIES FOUND. R & R THE OIL AND SCAVENGE FILTERS AS PRECAUTION. ABLE TO ERASE MESSAGE.

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