Service difficulty report · Transmitter · Boeing 737990ER
FAA SDR system
- Difficulty date
- February 17, 2023
- Submitted
- February 22, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41729
- Aircraft time
- 25,869 hours, 7,914 cycles
- Part
- Transmitter
- Part number
- H504C
- Part serial
- 158683
- Condition
- Faulty
- Location
- Rt Wing Spoiler
- Part time
- 25,978 hours, 7,948 cycles
- Stage of operation
- LD
- 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
UNSUCCESFUL AUTOLAND APPROX 100 FT AGI. A/P DRIFTED LEFT OF COURSE, APPROX 75 FT. GROUNDED - YES. DFCS 1 & 2 BITE SHOWS NO FAULTS LOGGED. HGS SHOWS APP WARN XTK RATE EXCEED FAULT. REMOVED/REPLACED AND ADJUSTED M930, SPOILER 9 POSITION SENSOR REF B737-900 AMM 22-11-27/401. SPOILER POSITION SENSOR TEST NORMAL. REF AMM 22-11-27-710-801. LAND AND VERIFY TEST NORMAL REF AMM 22-11-00-700-801. HGS OPERATIONAL TEST NORMAL. REF HGS 4000 SMM 34-36-00.