SDR 2007UALA02584

Service difficulty report · A/C Pack · Boeing 757222

Difficulty date: July 11, 2007
Submitted: July 13, 2007
Operation: Air carrier
Aircraft: N590UA
Make and model: Boeing 757222
Aircraft serial: 28708
Aircraft time: 38,041 hours, 10,529 cycles
Engine: Pwa PW2037
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Location: Left
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FOUL ODOR IN AIR COND SYSTEM DURING DESCENT AT IDLE. MAINT TEXT: CREW REPORTED, OIL BURNING ODOR IN COCKPIT & FWD CABIN. CREW SUSPECT ODOR IS FROM LT PACK. ODOR - OIL BURNING ODOR WAS DETECTED ON GROUND WITH PACKS ON. [08-08-07] CREW SUSPECT ODOR IS FROM LT PACK.. OIL BURNING ODOR WAS DETECTED ON GRD WITH PACKS ON. AFTER PERFORMED TROUBLESHOOTING, FOUND RT HYDRAULIC SYSTEM OVERSERVICED. DRAINED RT SYSTEM TO APPROPRIATE LEVEL AND RAN ENGINES. NO MORE ODOR DETECTED.