# SDR AALA202111010397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2021
- Submitted: November 1, 2021
- Operation: Air carrier
- Aircraft: [N766AN](https://openairdocs.org/aircraft/N766AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32880
- Aircraft time: 71,237 hours, 8,905 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Spring
- Condition: Loose
- Location: Zone 200 - Fuse
- 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/AALA202111010397

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: THE SPRING IN THE EMERGENCY LIGHTS PROTECTIVE CAP IS BROKEN AND CAUSES THE SWITCH TO BIAS TOWARDS OFF. FOUND EMERGENCY LIGHT SWITCH PROTECTIVE CAP SPRING LOOSE. RE-SECURED SPRING PER AMM 20-13-01.

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