SDR AALA201905279002

Service difficulty report · Converter · Boeing 767323

Difficulty date: May 25, 2019
Submitted: May 28, 2019
Operation: Air carrier
Aircraft: N397AN
Make and model: Boeing 767323
Aircraft serial: 29604
Aircraft time: 76,073 hours, 12,429 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Converter
Condition: Faulty
Location: Ac Bay
Stage of operation: NR
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

AIRCRAFT WAS GROUNDED: AFTER STARTING LEFT ENGINE, SULFUR SMELL, ODOR PRESENT THROUGHOUT CABIN AND FLIGHT DECK WITH NO PACKS OPERATING. ODOR LASTED LESS THAN 2 MINUTES. NO ODOR AFTER PACKS ON. MAINTENANCE PERFORMED MCM 05-96-70 & FOUND LT CATALYTIC CONVERTER AT FAULT AND REPLACED LEFT HAND CATALYTIC CONVERTER PER AMM 21-51-22. MAINTENANCE ALSO PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM 71-00-00, NO ODOR PRESENT.