Service difficulty report · Shield · Boeing 7377CT

Difficulty date
March 8, 2019
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N7821L
Make and model
Boeing 7377CT
Aircraft serial
32748
Aircraft time
55,649 hours, 27,469 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo Bay
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

AFT CARGO COMPARTMENT BETWEEN STA 787 AND 767 FWD FLOOR SHIELD IS CORRODED TOP SURFACE IN SEVERAL AREAS AS MARKED / REMOVED CORROSION ON TOP SURFACE OF FWD FLOOR SHIELD AT BS 767 TO BS 787. ORIGINAL THICKNESS .050'; MATERIAL REMOVED .018' MATERIAL REMAINING .032'; MATERIAL FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 REMOVED AND REPLACED FWD FLOOR SHIELD BETWEEN BS 767 TO 787 AFT CARGP OAW DWG #146A0081 REV A & SRM 51-40-02-0G-0; APPLIED CIC IAW AMM 51-21-91

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