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SDR ASAA2013081195781

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Service difficulty report · Generator · Boeing 737890

FAA SDR system

Difficulty date
August 11, 2013
Submitted
August 13, 2013
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
20,870 hours, 6,513 cycles
System (JASC)
2421 · AC Generator-Alternator
Part
Generator
Part number
761574B
Part serial
AAAH004567
Condition
Failed
Location
Nr 1
Part time
23,058 hours, 8,391 cycles
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

ON DESCENT, LT (NR 1) ENGINE GENERATOR FAILED. ZERO VOLTS, ZERO FREQ. ACFT GROUNDED. PERFORMED FIM TASK 24-21 TASK 805, VERIFIED THAT NR 1 IDG IS INOP. REMOVED NR 1 IDG IAW AMM 24-11-11-000-801 AND VERIFIED THAT OFF UNIT FILTER HAS NO EVIDENCE OF CONTAMINATION, IAW AMM 24-11-11-000-801, C3. INSTALLED NEW IDG REF AMM 24-11-11-400-801. PERFORMED OPS CK, OPS GOOD.