# SDR CALA2026081318555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N12010](https://openairdocs.org/aircraft/N12010), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 40926
- Aircraft time: 28,834 hours, 3,768 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Circuit Board
- Part number: 003CM000200
- Part serial: 8489
- Condition: Faulted
- Part time: 28,834 hours, 3,767 cycles
- 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/CALA2026081318555

## Discrepancy

WING ANTI-ICE SYS WIPS HAD SINGLE OR MULTIPLE INTERNAL/EXTERNAL FAILURES AFFEC TING 1 OR MORE AC SUPPLIES OR BOTH DC SUPPLIES (BUT WIPCU STILL OPERATIVE) OR ONE AC SUPPLY OR MORE THAN 1 SEQUENCER CHANNEL FAILED OR MORE THAN 1 CAN BUSS FAILED OR 2 FAILED TEMP SENS DB WIPCU SEQUENCE CONTROLLER CARD CHANNEL 1 DB WIPCU SEQUENCE CONTROLLER CARD CHANNEL 3 DB WIPCU SEQUENCE CONTROLLER CARD CHANNEL 2,   CREW STATED WING ANTI ICE SYS STATUS MESSAGE APPEARED DURING FLT. IAW MEL EICAS MESSAGE(S):FOLLOWING MAY BE DISPLAYED: (STATUS) WING ANTI-ICE ZONE", CREW ALSO STATED THEY VIEWED MAINT PGS & SAW ZONES 3E - 10E FAULTED, NO OTHER ZONES (SAME AS MEL) FAULT CODES 30-20068 (SAME AS MEL). WIPS CONTROLLER & HEATER ASSY TEST ALSO SHOWS ONLY FAULT AS 30-20068.  PERFORMED FIM ISOLATION PROCED WIRING CHK CONTINUITY TO GROUND FOR PIN C & PIN J TO GROUND ON BOTH MAT 3-EF B3011004 & MAT 10-EF B3011019. WIRING CHK OKAY. R & R WIPS ZONE CONTROL CARD 8. SW CONFIRMED. CMCF GROUND TEST: 30 WING ICE PROTECTION SYS, SYS TEST, WIPS CONTROLLER & HEATER ASSEMBLY. GROUND TEST PASSED NO FAULTS NOTED. REF FIM DMC-B787-A-30-10-F1-12A-421A-A & WDM DMC-B787-30-11-12-08A-051A-D.

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