What was found
MOMENTARY SPARKS EMITTED FROM F/O FOOT HEATER SWITCH INFLIGHT WHEN SWITCHING FROM OFF TO HIGH. ITEM PLACED ON MEL 21-45-01B CBS COLLARED. REMOVED AND REPLACED SWITCH. CHECKS NORMAL. MCO AND PLACARD REMOVED.
- Difficulty date
- January 20, 2009
- Submitted
- January 29, 2009
- Operation
- Air carrier
- Aircraft
- N707TW
- Make and model
- Boeing 7572Q8
- Aircraft serial
- 27625
- Aircraft time
- 38,988 hours, 13,837 cycles
- System (JASC)
- 2140 · Heating System
- Part
- Heater
- Condition
- Sparks
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.