SDR ASAA2014060408021

Service difficulty report · Idg · Boeing 737890

Difficulty date: June 4, 2014
Submitted: June 4, 2014
Operation: Air carrier
Aircraft: N596AS
Make and model: Boeing 737890
Aircraft serial: 35688
Aircraft time: 23,290 hours, 7,219 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Idg
Condition: Malfunctioned
Location: Nr 1 Engine
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

NR 1 IDG REQUIRED FREQUENT SERVICING. ACFT GROUNDED. PERFORMED IDG OIL SYS STATIC LEAK CHECK IAW AMM 24-11-00-700-801. FOUND IDG RETURN LINE FROM OIL COOLER FITTING LEAKING ON IDG, TIGHTENED FITTING AS REQUIRED. ALSO, REPLACED IDG FILL COUPLING PRESSURE FILL, IAW CMM 24-11-85. GROUND RAN NR 1 ENG FOR 10 MINUTES NO LEAKS NOTED. INSPECTED NR 1 ENG IDG OIL COOLER SHOWS NO SIGNS OF LEAKING.