Service difficulty report · Support · Boeing 7378H4

Difficulty date
May 18, 2022
Submitted
June 6, 2022
Operation
Air carrier
Aircraft
N8692F
Make and model
Boeing 7378H4
Aircraft serial
33942
Aircraft time
19,837 hours, 9,331 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
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 BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION BS 727F TO BS 767 RBL 21 WL 156 / EVALUATED CORROSION AT ALL LOCATIONS ON FLOOR TO SIDEWALL SUPPORT; FOUND DEEPEST LOCATION TO BE AT BS 747+10 RBL 21 WL 156; FOUND 0.015 REMOVED FROM ORIG 0.040 IN NUMEROUS 1'X1' AREAS; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. INSTALLED ACB FLOOR TO SIDEWALL SUPPORT AT BS727E +10 - BS767; RBL21; WL156 AND SPLICE REPAIR AT BS727E+8 - BS727E+18 PER SRM 53-00-53-2R-5 AND DWG 146A7500.

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