Service difficulty report · Structure · Boeing 737924ER

Difficulty date
February 2, 2026
Submitted
March 9, 2026
Operation
Air carrier
Aircraft
N37437
Make and model
Boeing 737924ER
Aircraft serial
33532
Aircraft time
51,947 hours, 18,550 cycles
Part
Structure
Part number
147A8540T30
Condition
Corroded
Location
Zone 200
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

R2 DOOR CUTOUT AREA, INNER CHORD HAS CORROSION ON UPPER SURFACE BETEWEEN BS 947 TO 986.5 APPROX. RBL-56. REMOVED AND REPLACED INNER CHORD AT R2 DOOR CUTOUT AREA BETWEEN BS947 TO 986.5 RBL56 PART NUMBER 147A8540Y3D PO NO. 1140348.18 IAW B737-900 SRM 51-40-02 AND BOEING DRAWING 147A8501 REV:-