SDR AALA202007139001

Service difficulty report · Proximity Switch · Boeing 737823

Difficulty date: July 12, 2020
Submitted: July 13, 2020
Operation: Air carrier
Aircraft: N831NN
Make and model: Boeing 737823
Aircraft serial: 33211
Aircraft time: 31,655 hours, 12,953 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Switch
Part number: 285A16006
Condition: Unserviceable
Location: Zone 100
Stage of operation: TO
How discovered: O
Nature of condition: N
Precautionary procedure: C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT GROUNDED, PSEU LIGHT AND ASSOCIATED TAKE-OFF CONFIGURATION WARNING, LOW SPEED REJECTED TAKE OFF AT 34KTS. PROXIMITY SWITCH ELECTRONICS UNIT (PSEU) LIGHT SUBSEQUENTLY EXTINGUISHED AND DID NOT RETURN. ACCOMPLISHED FIM TASK 32-09-00, REMOVED AND REPLACED PSEU (PROXIMITY SWITCH ELECTRONICS UNIT) PER JOB CARD 08L00032003, OPERATIONAL CHECK GOOD, NO FURTHER FAULTS NOTED.