Service difficulty report · Threshold · Boeing 737890

Difficulty date
March 5, 2019
Submitted
March 19, 2019
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
34,911 hours, 10,294 cycles
Part
Threshold
Part number
146A8340
Condition
Corroded
Location
Fuselage
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 DOOR THRESHOLD WEB HAS CORROSION IN PREVIOUS BLENDOUT. GROUNDED - YES. REMOVED CORROSION IAW SRM 53-60-15. ORIG THICKNESS 0.050 REMOVED 0.012 REMAINING MAT 0.038 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15. TOOL #T82250. REMOVED WEB IAW SRM 51-40-02. LOCATED AND DRILLED NEW WEB IAW SRM 51-40-05 AND BAC DWG 146A8340 REV -. INSTALLED NEW WEB IAW SRM 51-40-2 AND BAC DWG 146A8340 REV-.