Service difficulty report · Support · 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
Support
Condition
Corroded
Location
Bs 500b
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 AFT FLOOR TO SIDEWALL SUPPORT AT BS 500B+9.5 RBL 25 WL 156 ; / [01] EVALUATED CORROSION ON FLOOR TO SIDEWALL SUPPORT; FOUND 0.020 REMOVED FROM ORIG 0.040 IN 1'X1' AREA; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING MICROMETER 4566A S/N UNKNOWN. FLOOR TO SIDEWALL SUPPORT TO BE REPLACED ON CUST CARD #TTG8Q005BEU0; [02] VERIFIED - EVALUATED CORROSION ON FLOOR TO SIDEWALL SUPPORT; FOUND 0.020 REMOVED FROM ORIG 0.040 IN 1'X1' AREA; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2; [03] VERIFIED FLOOR TO SIDEWALL SUPPORT TO BE REPLACED ON CUST CARD #TTG8Q005BEU0 NO FURTHER ACTION REQUIRED

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