Service difficulty report · Generator · Boeing 737824

Difficulty date
February 24, 2022
Submitted
February 25, 2022
Operation
Air carrier
Aircraft
N37267
Make and model
Boeing 737824
Aircraft serial
31586
Aircraft time
65,576 hours, 22,420 cycles
Part
Generator
Part number
761574B
Part serial
1573
Condition
Failed
Location
#2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

GENERATOR 2 DRIVE LIGHT ILLUMINATED IN FLIGHT. GEN 2 DRIVE DISC ONNECTED PER QRH PROCEDURE. PLACE #2 ENG GENERATOR ON MEL. DDP C/W PLACARD #2 GENERATOR INOP. VERIFIED #2 DISCONNECT , APU OIL FULL ,#1 IDG FULL , LIGHTS REMOVED AS REQUIRED. TOMC APPROVED ON THE ACCESSORY GEARBOX OR LEAKING WITHIN THE OIL COOLING AND OIL HEAT EXCHANGER FOR EVIDENCE OF LEAKAGE. ALSO PERFORM A PRESENT. IF NO LEAKS PRESENT, FOLLOW FIM 24-11 TASK 802. CIRCUIT. VISUALLY INSPECT THE IDG, OIL COOLING CIRCUIT TUBING, STATIC LEAK CHECK IF POSSIBLE. REPLACE THE IDG IF LEAKING IS EG UPDATE: LOG PAGE HISTORY SHOWS 10 INSTANCES OF LOW OIL IN THE #2 IDG SINCE INSTALLATION LAST JUNE. SUSPECT ISSUE WITH THE QAD ADD EMP:U355693 REMOVED AND REPLACED #2 ENGINE IDG. NO LEAKS NOTED AND OPS CHECK NORMAL. REF AMM 24-11-11. REPLACED LIGHT BULBS AS REQUIRED FOR ( DRIVE & GEN OFF BUS LIGHTS) @ OVERHEAD PANEL. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1807583 SN OFF 1573 VERIFIED POWER FEEDER CABLES WAS INSTALLED REF REF AMM 24-11-11 AND GMM 09-10-05 CHAP. 24. GENERATOR, INTE OFF 29-2411-9-0001 1573 ON 29-2411-9-0001 0931