Service difficulty report · Threshold · Boeing 7377AD

Difficulty date
March 3, 2020
Submitted
April 13, 2020
Operation
Air carrier
Aircraft
N798SW
Make and model
Boeing 7377AD
Aircraft serial
28436
Aircraft time
69,451 hours, 41,534 cycles
Part
Threshold
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

CORROSION FOUND ON AED THRESHOLD WEB UPON MOPSILL REMOVAL AT BS 983 LBL45 WL 208 / AED THRESHOLD WEB AT BS 983 LBL 45 FOUND TO BE OUT OF LIMITS AT BS 984 RBL 46 2' X 2' X .012' ORIGINAL THICKNESS .071' REMAINING .059' PER SRM 53-70-15-1A-1. REPLACED THRESHOLD WEB BS 992 - LBL 50-45 PER SRM 51-40-02 & DWG 147A8501. 59641U; 26MAR20.

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