# SDR HALA20240417101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2024
- Submitted: April 17, 2024
- Operation: Air carrier
- Aircraft: [N220HA](https://openairdocs.org/aircraft/N220HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8872
- Aircraft time: 9,797 hours, 2,193 cycles
- Engine: Iae PW1133GJM
- Engine time: 10,778 hours, 2,328 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire
- Part number: UNKNOWN
- Condition: Shorted
- Location: Fire Loop Nr 1
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20240417101

## Discrepancy

ETOPS - ENG 1 FIRE LOOP B FAULT. FOUND WIRE HARNESS (41WD1) SHORTING TO GND 3.9M OHMS. FOUND DETECTOR (4WD1) SHORTING TO GND 5.2M OHMS. REMOVED AND REPLACED HARDWIRE (41WD1) PER WDM 26-12-07. REMOVED AND REPLACED ENG 1 PLYON LOOP B (4WD1) PER AMM 26-12-16-000-802-A. OPERATIONAL CHECK OK PER AMM 26-12-00

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