Service difficulty report · Structure · Boeing 737823

Difficulty date
October 21, 2025
Submitted
January 14, 2026
Operation
Air carrier
Aircraft
N907AN
Make and model
Boeing 737823
Aircraft serial
29509
Aircraft time
74,732 hours, 31,157 cycles
Part
Structure
Condition
Corroded
Location
Apu Inlet
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: CORROSION TO APU INLET LOWER CHORD LOCATED FROM BS 1148 TO BS 1156 AT LBL 25. REPAIRED CHORD PER EA 369247.