Service difficulty report · Plenum · Boeing 737932ER

Difficulty date
January 20, 2021
Submitted
January 20, 2021
Operation
Air carrier
Aircraft
N881DN
Make and model
Boeing 737932ER
Aircraft serial
31992
Aircraft time
10,436 hours, 3,685 cycles
Part
Plenum
Condition
Fod
Location
Apu
Stage of operation
IN
How discovered
9
Nature of condition
C, B
Precautionary procedure
K

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

What was found

ON TAKEOFF HAD A STRONG SMELL AS LIKE DIRTY SOCKS SMELLED IN COCKPIT AND CABIN. DISSIPATED IN THE CLIMBOUT. INSPECTED APU AND FOUND A DRINKING CUP IN APU DUCT PLENAM. REMOVED CUP AND RAN APU FOR 30 MIN WITH PACKS ON. NO SMELL PRESENT.