Service difficulty report · Shield · Boeing 737990ER

Difficulty date
November 18, 2024
Submitted
December 17, 2024
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
39,942 hours, 12,478 cycles
Part
Shield
Part number
146A8125U39
Part serial
UNK
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 R/H FWD SHEILD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM SHEILD ORIGINAL THICKNESS .050 IAW B737-900ER SRM 53-60-15-01-1 MATERIAL LOSSED .007 REMAINING THICKNESS .043 FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 TOOL#T8224V DUE DATE 27MAR25. REMOVED AND REPLACED SHEILD R/H FWD CARGO AFT IAW B737-900ER SRM 51-40-02-OG-0 AND DWG#146A0081 REV "A".