Service difficulty report · Sensor · Boeing 757230

Difficulty date
September 4, 2026
Submitted
October 17, 2026
Operation
Air carrier
Aircraft
N688SL
Make and model
Boeing 757230
Aircraft serial
25140
Aircraft time
107,754 hours, 27,512 cycles
Part
Sensor
Part number
B7200
Part serial
06910118
Condition
Faulty
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

ETOPS SIGNIFICANT REPORT AND EVENT. FLIGHT DECK TEMP REACHED 75 DEGREES FOR OVER AN HOUR. THE MIX MANIFOLD SENSOR WAS REPLACED. THE SUSPECTED UNSERVICEABLE MIX MANIFOLD SENSOR WAS CONFIRMED FAULTY DURING A BENCH CHECK