Service difficulty report · Inlet · Boeing 737823

Difficulty date
November 12, 2025
Submitted
December 3, 2025
Operation
Air carrier
Aircraft
N903AN
Make and model
Boeing 737823
Aircraft serial
29505
Aircraft time
69,244 hours, 28,935 cycles
Part
Inlet
Condition
Corroded
Location
Zone 200 Apu
Stage of operation
IN
How discovered
V
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 IN BASE MAINTENANCE: APU AIR INLET DOOR OUTER SKIN CORRODED IN AFT CORNERS UPPER AND LOWER. INSTALLED INTAKE DIFFUSER DUCT. PER AMM 49-15-15.