Service difficulty report · Support Angle · Boeing 737990ER

Difficulty date
April 23, 2025
Submitted
May 14, 2025
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
38,948 hours, 12,224 cycles
Part
Support Angle
Part number
146A812553
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

AFT CARGO TRANSITION PANEL SUPPORT STRUCTURE AT STA. 767 TO STA. 787 RBL.22 CORRODED. GROUNDED - YES. REMOVED AND REINSTALLED WITH NEW AFT CARGO TRANSITION PNL SUPPORT ANGLE. REMOVED CORR. FROM SUPPORT ANGLE ORIG THICKNESS .040 I.A.W. B737-900 SRM 53-60-15, 100% MAT. LOSSED FOUND TO BE OUT OF LIMITS I.A.W. B737-900 SRM 53-60-15. LOCATED, DRILLED AND DEBURRED NEW SUPPORT ANGLE I.A.W. B737-900 SRM 51-40-05.