# SDR ANCF20191217401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2019
- Submitted: December 17, 2019
- Operation: Air carrier
- Aircraft: [N784AV](https://openairdocs.org/aircraft/N784AV), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 37506
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: 19080015
- Part serial: 1197
- Condition: Cracked
- Location: Cockpit
- Part time: 2,320 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ANCF20191217401

## Discrepancy

NOV 24. WINDOW HEAT L FWD MESSAGE APPEARS AND WINDOW L FWD CRACKED // CORRECTIVE ACTIONS: DURING FLIGHT, AFTER WINDOW HEAT L FWD- EICAS ADVISORY MESSAGE, THE LH WINDSHIELD GOT CRACKED.  THE CORRELATED MAINTENANCE MESSAGE WAS: [ ]  30-32313 LEFT FLIGHT COMPARTMENT NO. 1 WINDOW HEATER CHANNEL A HAS FAILED.  SO THEN, DO THE FAULT ISOLATION FOR THE MAINTENANCE MESSAGE 30-32313 LEFT FLIGHT COMPARTMENT NO. 1 WINDOW HEATER CHANNEL A HAS FAILED.  SEE FIM TASK DMC-B787-A-30-40-F1-35A-421A-A. IF YOU DO NOT FIND A PROBLEM WITH THE WIRING THEN: 1-. REPLACE THE WINDOW HEAT PROTECTION UNIT (M3041011). 2-. REPLACE THE  FLIGHT COMPARTMENT NO. 1 WINDOW (B3041001).  REFERENCES: WINDOW HEAT PROTECTION UNIT - REMOVAL - AMM B787-A-30-41-03-00A-520A-A. WINDOW HEAT PROTECTION UNIT - INSTALLATION - AMM B787-A-30-41-03-00A-720A-A.  FLIGHT COMPARTMENT NO. 1 WINDOW - REMOVAL - AMM B787-A-56-11-01-00A-520A-A. FLIGHT COMPARTMENT NO. 1 WINDOW - INSTALLATION - AMM B787-A-56-11-01-00A-720A-A.

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