SDR ASAA2022051238328

Service difficulty report · Drain Line · Boeing 737890

Difficulty date: May 12, 2022
Submitted: May 16, 2022
Operation: Air carrier
Aircraft: N517AS
Make and model: Boeing 737890
Aircraft serial: 35197
Aircraft time: 48,622 hours, 14,172 cycles
Engine: Cfmint CFM567B27
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Drain Line
Part number: 118411934
Part serial: YY0820821
Condition: Leaking
Location: #2 Engine
Part time: 53,269 hours, 21,857 cycles
Stage of operation: IN
How discovered: V
Nature of condition: K
Precautionary procedure: K

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

What was found

REF T/C 7847000 #2 ENG INLET AND FAN BLADES- DETAILED INSPT. FOUND HEAT EXCHANGER, OIL FUEL, DRAIN LINE LEAKING FUEL. GROUNDED - YES. REMOVED AND REPLACED MAIN OIL/ FUEL HEAT EXCHANGER REF B737-800 AMM 79-21-02/401. #2 FUEL/OIL HEAT EXCHANGER AND SERVO HEATER OPS CHECKED GOOD REF MM 73-11-07, 79-21-02, AND 71-00-00.