Service difficulty report · Exhaust Valve · Boeing 737823

Difficulty date
September 22, 2023
Submitted
September 26, 2023
Operation
Air carrier
Aircraft
N946AN
Make and model
Boeing 737823
Aircraft serial
30600
Aircraft time
65,539 hours, 27,461 cycles
Part
Exhaust Valve
Part number
4101054
Condition
Shorted
Location
Zone 100 - Fuse
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED: WITNESSED CLOUD OF SMOKE AND 2 SHORT INSTANCES OF STRONG ELECTRICAL BURNING SMELL. REMOVED AND REPLACED EQUIPMENT COOLING OVERBOARD EXHAUST VALVE PER 21-27-05. FUNCTIONAL CHECK GOOD, NO MORE SMELLS NOTICED.