What was found
FWD LEFT BOOST PUMP PRESS LIGHT ON DURING APU OPERATION. REMOVED AND REPLACED RELAY'S K512 AND K513 IAW SWPM 20-81-11. FWD LEFT BOOST PUMP PRESS LIGHT OPERATES NORMAL DURING APU OPERATION.
- Difficulty date
- October 7, 2018
- Submitted
- October 9, 2018
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 87,035 hours, 18,487 cycles
- System (JASC)
- 2840 · Fuel Indicating System
- Part
- Relay
- Part number
- TD1047105
- Part serial
- NSN
- Condition
- Failed
- Location
- Fuel System
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.