Service difficulty report · Web · Boeing 7377CT

Difficulty date
June 3, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
61,112 hours, 30,940 cycles
Part
Web
Condition
Corroded
Location
Threshold
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 IN FWD CARGO COMPARTMENT ON SUB THRESHOLD WEB AT BS 468 RBL 27 WL 156 ; / [01] EVALUATED CORROSION BS 468 FOUND 0.020 REMOVED FROM ORIG 0.045 FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DEPTH GAUGE P/N ATS400 S/N UNKNOWN. SUBTHRESHOLD WEB TO BE REPLACED ON CUST CARD#TTG8Q005B9AH; [02] CARD COMPLETE; [03] VERIFIED CORROSION BS 468 FOUND 0.020 REMOVED FROM ORIG 0.045 FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DEPTH GAUGE P/N ATS400 S/N UNKNOWN. SUBTHRESHOLD WEB TO BE REPLACED ON CUST CARD#TTG8Q005B9AH

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