Service difficulty report · Bracket · Boeing 737990ER

Difficulty date
November 24, 2024
Submitted
December 17, 2024
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
39,644 hours, 12,471 cycles
Part
Bracket
Part number
143A7502U160
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

FWD CARGO COMPT, STA 500I RBL25, FRAME TO WEB BRACKET HAS SMALL AREA OF CORROSION. GROUNDED - YES. UPON FURTHER EVALUATION FRAME TO THE WEB BRACKET WAS FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE LIMITS GIVEN IN THE B737-900 SRM, REMOVED DAMAGE BRACKET FROM FWD PIT AT STA 500I, RBL25 IAW B737-900 SRM 51-40-02. LOCATED & DRILLED, NEW BRACKET P/N= 143A7502U160, PO: 1108116.2 IAW B737-900 SRM 51-40-05, INSTALLED NEW BRACKET AT FWD PIT STA 500I RBL25 IAW B737-900 SRM 51-40-02.