Service difficulty report · Support Frame · Boeing 737823

Difficulty date
July 16, 2026
Submitted
August 26, 2026
Operation
Air carrier
Aircraft
N903AN
Make and model
Boeing 737823
Aircraft serial
29505
Aircraft time
70,975 hours, 29,741 cycles
Part
Support Frame
Part number
141A74156
Condition
Corroded
Location
Zone 100
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: FORWARD SIDE OF NOSE LANDING GEAR, FORWARD BULKHEAD LOWER FRAME SUPPORTS AND SUPPORT ANGLES HAS INTERGRANULAR CORROSION AT STATION 224.8, LBL 4 TO RBL 5. MAINTENANCE CUT OUT CORRODED FRAME AND SPLICED IN A NEW, SERVICABLE FRAME OF ACCEPTABLE PART NUMBER AT STATION 224.8, LBL 4 TO RBL 5 PER EA 377439.