What was found
#1 ENG IDG HISTORY OF FREQUENT SERVICING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG IDG REF B737-900 AMM 24-11-11. OPS CHECK GOOD. LEAK CHECK GOOD. REMOVED IDG INSPECTED FOR DEBRIS W/ NO DEFECTS NOTED REF AMM 24-11-11-080-801.
- Difficulty date
- February 9, 2020
- Submitted
- February 11, 2020
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 18,189 hours, 5,885 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Idg
- Part number
- 761574B
- Part serial
- AAAH011521
- Condition
- Leaking
- Location
- Nr 1
- Part time
- 18,186 hours, 5,883 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.