# SDR YENA2025041600409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2025
- Submitted: April 17, 2025
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11604
- Aircraft time: 5,359 hours, 820 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Condition: Faulted
- Location: Window Heat
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025041600409

## Discrepancy

FLT#2009, PBI-LAX. (ETOPS). 'L WSHLD HEAT ( WINDOW HEAT COMPUTERS WHC-1 ); PLACED ON MEL 30-42-01A CAT C, MDDR 579843. MX4 UPDATED. MCC AKEEM NOTIFIED. PLACARD INSTALLED. DEACTIVATED WHC1 AND VERIFIED HEATERS AND FAILURE WARNINGS ARE OPERATIONAL AS PR MEL 30-42-01 (M) PROCEDURES. REACTIVATED WHC1 AND PERFORMED OPS CHECK IAW AMM 30-42-00-710-001-A.SYSTEM CHECKS GOOD,NO HISTORY OF FAULT. MX-4 UPDATED. PLACARD REMOVED,MDDR CLEARED,MCC HANI NOTIFIED.

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