SDR CALA2025073007097

Service difficulty report · Fuse · Boeing 737824

Difficulty date: July 25, 2025
Submitted: July 30, 2025
Operation: Air carrier
Aircraft: N76528
Make and model: Boeing 737824
Aircraft serial: 31663
Aircraft time: 44,788 hours, 15,992 cycles
System (JASC): 3350 · Emergency Lighting
Part: Fuse
Condition: Failed
Location: Zone 200
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY LIGHT BATTERY PACK M2816 REQUIRES REPLACEMENT. SUPPORT TASK NSA EMX N/R 00154. REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK M2816 IAW AMM 33-51-06. UP TO OPS CHECK. TROUBLESHOT TO A BAD FUSE ON EMERGENCY EXIT LIGHT BATTERY PACK M2816 IAW WDM 33-51-21. REPLACED EMERGENCY EXIT LIGHT BATTERY PACK M2816 FUSE IAW AMM 33-51-06-960-804. PERFORMED EMERGENCY LIGHTS-OPERATIONAL TEST IAW AMM 33-51-00-710-801. OPS CHECK GOOD/TEST PASS.