SDR AALA202204079260

Service difficulty report · Sensor · Boeing 737823

Difficulty date: April 1, 2022
Submitted: April 7, 2022
Operation: Air carrier
Aircraft: N943NN
Make and model: Boeing 737823
Aircraft serial: 31177
Aircraft time: 24,573 hours, 9,393 cycles
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: Sensor
Part number: 21SN4152
Condition: Fault Message
Location: Zone 400 - Nac/P
Stage of operation: TO
How discovered: V
Nature of condition: J
Precautionary procedure: C

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

What was found

AIRCRAFT WAS GROUNDED: LEFT COWL ANTI-ICE LIGHT ILLUMINATED ON TAKE OFF, 24K POWER. REJECTED AT 50 KNOTS. **SUPPLEMENTAL REPORT FOR AALA202204047755: SECOND ABORTED TAKE OFF (AALA202204079660), (AALA202204078887) ON A FERRY FLIGHT ON APRIL 5. TROUBLE SHOOTING PER FIM 30-21-00-810-809. REMOVED AND REPLACED LEFT ENGINE COWL TAI VALVE (AALA202204047755) PER AMM 30-21-11 AND REMOVED AND REPLACED LEFT ENGINE ANTI-ICE PRESSURE SENSOR PER 30-21-21.** (CLOSED)