SDR ASAA2014072108631

Service difficulty report · Idg · Boeing 737890

Difficulty date: July 21, 2014
Submitted: July 23, 2014
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 22,332 hours, 6,867 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Idg
Part number: 761574B
Part serial: AAAH004461
Condition: Failed
Location: Nr 2
Part time: 25,471 hours, 8,257 cycles
Stage of operation: DE
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

NR 2 SOURCE OFF LIGHT ILLUMINATED ON DESCENT AT 5000 FT. ACFT GROUNDED. NR 2 GCU R & R. NO HELP. REMOVED GCU AND REINSTALLED ORIGINAL GCU. INSTALLATION TEST GOOD, REF AMM 24-21-81, FIM 24-21, TASK 823 RANG OUT A BAD IDG UNIT. REPLACED NR 2 ENG IDG WITH NEW REF: AMM 24-11-11. ALL TEST GOOD, REF'S: TASK 71-00-00-800-811-FOO, TASK 24-11-00-700-803.