What was found
EMERGENCY LIGHT TEST FOUND POWER SUPPLY BATT M5169 FAILED(<P>REPLACED POWER SUPPLY BATT M5169 IAW AMM 33-51-04 AND TEST PASS</P>)
- Difficulty date
- March 1, 2022
- Submitted
- March 3, 2022
- Operation
- Air carrier
- Aircraft
- N415MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 32837
- Aircraft time
- 77,718 hours, 13,211 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Battery
- Part number
- 20131A
- Part serial
- TLS28594
- Condition
- Failed
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.