# SDR CALA2023011300107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2023
- Submitted: January 13, 2023
- Operation: Air carrier
- Aircraft: [N26966](https://openairdocs.org/aircraft/N26966), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60143
- Aircraft time: 30,070 hours, 2,946 cycles
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Connector
- Condition: Disconnected
- Location: Wing Anti-Ice
- 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/CALA2023011300107

## Discrepancy

ANTI-ICE WING CAUTION SYSTEM CANNOT PROVIDE ICE PROTECTION TO TWO OR MORE ZONE PAIRS O N THE WING OR LOSS OF COMMUNICATION FROM THE WIPCU TO DCA.  TEST PASSED MULTIPLE TIMES. PLUG, UPON INSPECTION OF HEATING MATS FOUND CONNECTOR BEHIND REINSTALLED ACCESS PANELS REF 30-11-05 PANEL 525AB  (HEATER 21) DISCONNECTED. CONNECTED HEATER MAT PLUG REF AMM 30-11-05. PERFORMED WING ICE PROTECTION SYSTEM TEST REF

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