- Difficulty date
- September 12, 2013
- Submitted
- October 4, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 24,991 hours, 7,499 cycles
- Engine
- Cfmint CFM567B27
- Part
- Valve
- Part number
- 32911866
- Part serial
- GRTG6074C
- Condition
- Faulted
- Location
- Nr 2 Engine
- Part time
- 34,543 hours, 15,093 cycles
- Stage of operation
- IN
- 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
WHILE PERFORMING T/C 78273000, FOUND NR 2 ENGINE FAULT 75-20462 HPTACC DEMAND & POSITION DISAGREE. ACFT GROUNDED. ACCOMPLISHED TASK CARD 78273000 AGAIN, NR 2 ENGINE FAULT REMAINS ACTIVE. REPLACED HPTACC IAW AMM 75-21-01 SYSTEM OPS CHECKED GOOD IAW AMM 71-00-00.