9,183 Lights (ATA 33) service difficulty reports for the Airbus A320 (all variants) — 14.8% of all reported difficulties.
Most reported components
- POWER SUPPLY 1,588
- BATTERY 1,358
- LIGHT 1,148
- LENS 980
- BATTERY PACK 874
- EPSU 677
- WIRE 533
- CONNECTOR 410
- WIRE HARNESS 240
- LAMP 182
- BULB 145
- COVER 127
- NONE 119
- SIGN 117
- UNKNOWN 96
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).