SDR CALA2009050700246

Service difficulty report · Downlock Sensor · Boeing 7373T0

Difficulty date: May 7, 2009
Submitted: May 7, 2009
Operation: Air carrier
Aircraft: N10323
Make and model: Boeing 7373T0
Aircraft serial: 23374
Aircraft time: 73,116 hours, 32,840 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Sensor
Part number: S845
Condition: Failed
Location: Nlg
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

IN FLIGHT WITH THE LANDING GEAR UP, THE GREEN NOSE GEAR LIGHT WOULD FLASH INTERMITTENTLY. TROUBLESHOT PER M/M 32-61-00, FOUND NLG DOWN LOCK SENSOR RED TO YELLOW OPEN, REF WDM 32-64-01 PG 1 OF 2. REMOVED AND REPLACED S-845 PER M/M 32-61-51, PG 401-407. FUNCTIONAL CHECK GOOD.