SDR AALA20180319001

Service difficulty report · Air Filter · Boeing 737823

Difficulty date: March 17, 2018
Submitted: March 22, 2018
Operation: Air carrier
Aircraft: N950AN
Make and model: Boeing 737823
Aircraft serial: 30087
Aircraft time: 51,890 hours, 21,380 cycles
System (JASC): 2120 · Air Distribution System
Part: Air Filter
Condition: Contaminated
Location: Zone 100
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: G, A

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

What was found

THE AIRCRAFT WAS GROUNDED. ON CLIMB OUT EXPERIENCED FUMES IN THE COCKPIT. PERSIST UP TO 12,000 FEET, WENT 100% OXYGEN. APU WAS OFF. THE FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO JFK. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. FUMES NOT NOTICED ON GROUND. ACCOMPLISHED AMM 21-00-01-100-801 AND WORK CARD 05-96-70. RAN ENGINES AND NOTED NO ODOR. NO CONTAMINATION. FOUND TWO DIRTY AIR RECIRCULATION FILTERS REPLACED. ACCOMPLISHED ENGINE RUN WITH BOTH PACKS ON AT 70% POWER. NO SMOKE/ODOR NOTICED.