Service difficulty report · Sensor · Boeing 737823

Difficulty date
January 28, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N801NN
Make and model
Boeing 737823
Aircraft serial
29565
Aircraft time
40,143 hours, 16,510 cycles
Part
Sensor
Part number
3215KGB01
Condition
Leaking
Location
Zone 400 - Nac/P
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: RIGHT AFTER TAKEOFF NOTICED DIRTY SOCK SMELL IN CABIN AND FLIGHT DECK. SMELL DISAPPEARED SHORTLY THEREAFTER. **SUPPLEMENTAL REPORT FOR AALA202301314822: MAINTENANCE FOUND #2 ENGINE OIL LEAK AS SOURCE OF THE FUMES. REPLACED LEAKING #2 ENGINE N1 SPEED SENSOR (AALA202301314822) AND DETERIORATED PACKING (AALA202302021170) PER AMM 77-11-01. ACCOMPLISHED SATISFACTORY LEAK CHECK.** (CLOSED)