SDR DALA2016012600641

Service difficulty report · Apu · Boeing 757232

Difficulty date: January 24, 2016
Submitted: January 26, 2016
Operation: Air carrier
Aircraft: N618DL
Make and model: Boeing 757232
Aircraft serial: 22908
Aircraft time: 92,969 hours, 45,214 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Condition: Smoke
Stage of operation: IN
How discovered: 9
Nature of condition: B
Precautionary procedure: K

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

What was found

FUME WITH THE APU JUST BEING PLACED ON MEL FOR NO START AFTER 3 ATTEMPTS, ONCE START CART WAS HOOKED UP, SMOKE AND FUMES FILLED THE CABIN. MAINTENANCE FOUND THE APU BATTERY TO BE THE SOURCE OF SMOKE, SMELL. REPLACED IAW AMM 24-31. CLEARED APU MEL.