SDR 98ZZZX2341

Service difficulty report · Control Valve · Boeing 737401

Difficulty date
May 29, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N413US
Make and model
Boeing 737401
Aircraft serial
23882
Part
Control Valve
Part number
39237831
Condition
Malfunctioned
Location
Rt Pack
Stage of operation
AP
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

CLT - FLT 2250 - DURING APPROACH, PILOT REPORTED A FOUL OIL SMELL CAME FROM THE AIR CONDITIONING PACKS INTO THE CABIN AS THE FLAPS WERE LOWERED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT PACK TURBOFAN AND TURBOFAN CONTROL VALVE. SYSTEM LEAK CHECK AND OPS CHECK GOOD. NO FURTHER OIL SMELL NOTED THROUGHOUT CABIN. REF: OPERATOR CONTROL NR USAASB98127.