Service difficulty report · Threshold · Boeing 7377H4

Difficulty date
March 11, 2020
Submitted
April 14, 2020
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Threshold
Part number
143A8330
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*** ON FORWARD CARGO BAY SUB WEB THRESHOLD AT B.S. 440-494; W.L. 155; R.B.L. 27. / FWD CARGO BAY SUB WEB THRESHOLD AT BS 440-494 WL 155 RBL 27 CORROSION FOUND OUT OF LIMITS PER SRM 53-30-15-1A-1. REMOVED & REPLACED PER SRM 51-40-02-0G-0 & DWG # 143A8330 SH 15

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