Service difficulty report · Apu · Boeing 737900ER

Difficulty date
November 30, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N892DN
Make and model
Boeing 737900ER
Aircraft serial
32000
Aircraft time
17,982 hours, 6,784 cycles
Part
Apu
Part number
38007021
Condition
Damaged
Location
Unknown
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

(LOG 4268200) MUSTY SOCK ODOR OBSERVED IN JFK AFTER APU START, THEN DISSIPATED AFTER ENGINE START. SMELL RETURNED ON DESCENT INTO SLC AROUND 11,000' THEN DISSIPATED. RETURNED UPON APU START ON TAXI IN. REPLACED APU PER B737 AMM 49-01.

More about the Boeing 737-900ER