Service difficulty report · Support · Boeing 7378H4

Difficulty date
May 19, 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
Part number
143A7902
Condition
Corroded
Location
Fwd 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

FORWARD CARGO BAY AFT CENTER BULKHEAD SUPPORT HAS CORROSION BS 500I LBL 23 TO RBL 23 WL 156 / EVALUATED CORROSION AT ALL LOCATIONS IN NUMEROUS 1'X1' AREAS; FOUND THE DEEPEST LOCATION TO BE AT BS 500I RBL 22 WL 156; FOUND 0.021 REMOVED FROM ORIGINAL 0.071; FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1 USING DIAL DEPTH GAUGE. REMOVED FORWARD CARGO BAY AFT CENTER BULKHEAD SUPPORT BS500I LBL23 TO RBL23 WL 156; PER SRM 51-40-02-0G-0. INSTALLED FORWARD CARGO BAY AFT CENTER BULKHEAD SUPPORT BS500I LBL23 TO RBL23 WL 156; IAW SRM 51-40-02-0G-0 AND DWG 143A7902;

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