What was found
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.
- Difficulty date
- October 28, 2021
- Submitted
- November 1, 2021
- Operation
- Air carrier
- Aircraft
- N766AN
- Make and model
- Boeing 777223
- Aircraft serial
- 32880
- Aircraft time
- 71,237 hours, 8,905 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Spring
- Condition
- Loose
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.