SDR DALA2019072304380

Service difficulty report · Terminal · Boeing 737932ER

Difficulty date: July 23, 2019
Submitted: July 24, 2019
Operation: Air carrier
Aircraft: N876DN
Make and model: Boeing 737932ER
Aircraft serial: 31987
Aircraft time: 8,098 hours, 2,838 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Terminal
Condition: Damaged
Location: Apu
Stage of operation: IN
How discovered: O
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

SHIP 3876 ON PUSHBACK- CLEARED TO START- WHEN STARTING ENGINE THE APU ELEC KICKED OFF (APU CONTINUED RUNNING). A LOUD POP AND VERY STRONG ODOR OF ELECTRICAL FUMES IN THE COCKPIT, FORWARD GALLEY AND ALSO NOTED BY THE TUG CREW PUSHING THE JET. RETURNED TO GATE . CORRECTIVE ACTION: FOUND APU STARTER- GENERATOR T-3 WIRING TERMINAL LOOSE AND DAMAGED. REMOVED. R/R START CONVERTER UNIT AS PRECAUTION PER AMM 49-41. OPS CK GOOD (6264206).