Service difficulty report · Threshold · Boeing

Difficulty date
April 5, 2017
Submitted
January 17, 2022
Operation
Air carrier
Make and model
Boeing
Aircraft time
62,932 hours, 36,695 cycles
Part
Threshold
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
9
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

***CORROSION*** SUB THRESHOLD BS440-492 RBL26. / REMOVED CORROSION ON FCB SUB THRESHOLD BS 440-492 RBL 26. MAX MAT LOSS 12' X 2' X .010. FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1. REMPLACED WITH NEW THRESHOLD IAW SRM 51-40-05-0G-0; SRM 57-40-08-0G-0; SRM 51-40-02-0G-0