Service difficulty report · Filter · Boeing 7572B7

Difficulty date
May 16, 2009
Submitted
May 19, 2009
Operation
Air carrier
Aircraft
N200UU
Make and model
Boeing 7572B7
Aircraft serial
27809
Part
Filter
Condition
Dirty
Location
Recirc Fan
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
H, A

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

What was found

CLT- DURING CRUISE, ENROUTE FROM PHL TO FLL, CREW REPORTED A STRONG ELECTRICAL/BURNING SMELL IN THE COCKPIT. CREW ACCOMPLISHED QRH PROCEDURES AND AFTER SELECTING BOTH RECIRC FANS OFF, ODOR DISSIPATED. FLIGHT DIVERTED TO CLT, LANDED WITHOUT INCIDENT AND TAXIED TO THE GATE WITHOUT INCIDENT. AN EMERGENCY WAS DECLARED. MAINTENANCE TROUBLESHOT PER AMM 05-51-26-FIM 21-00-01 GEN & PROC 4. RAN APU BLEED, A/C SYSTEMS, OPERATED OVENS, COFFEE MAKERS, IFE, HYDRAULIC SYSTEMS, IRU'S AND WINDSHIELD HEAT. RAN ENGINES AT HIGH POWER FOR 15 MINUTES. FOUND RA COFFEE MAKER CIRCUIT BREAKER POPPED. REMOVED AND REPLACED COFFEE MAKER AND RESET CIRCUIT BREAKER. OPS CHECK GOOD. CHECKED RECIRC FANS. REMOVED AND REPLACED RECIRC FAN FILTERS. OPERATIONALLY TESTED LEFT AND RIGHT RECIRC FAN SYSTEMS. NO SMOKE OR FUMES NOTED. AIRCRAFT OK FOR SERVICE.

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