Service difficulty report · Strap · Boeing 737990ER

Difficulty date
September 12, 2025
Submitted
October 9, 2025
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
41,625 hours, 13,113 cycles
Part
Strap
Part number
143A812638
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

FORWARD CARGO PIT R/H TRANSITION STRAP STA. 500D-500H HAS MULTIPLE AREAS OF CORROSION AT SCREW HOLES. GROUNDED - YES. REPAIRED TRANSITION STRAP IAW B737-900 ER SRM 53-00-53-2R-5 REV:56 10JUL2025. MATERIAL ID: BAC1496-444 7075-T62C PO: 1131612.1 AND MATERIAL ID FOR SPLICE SIDEPLATE BAC 1496-444 7075 T62C PO:1118678.1 ORIGINAL THICKNESS .040, REMAINING THICKNESS .023, MAT LOSS .017 AND IS FOUND TO BE OUT OF LIMITS.