Service difficulty report · Overheat Sensor · Boeing 737890
FAA SDR system
- Difficulty date
- October 29, 2013
- Submitted
- October 31, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 26,636 hours, 8,006 cycles
- Part
- Overheat Sensor
- Part number
- 90202001
- Condition
- Failed
- Location
- Apu Tailpipe
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU DETECTOR INOPERATIVE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED ENG/APU FIRE DETECTION CONTROL MODULE BITE. APU TAILPIPE DETECTOR FAULT MX MESSAGE NOTED. CHECKED DETECTOR LOOP RESISTANCE, FOUND OPEN. REPLACED APU TAILPIPE OVERHEAT DETECTOR. TESTED GOOD IAW AMM 26-15-01.