Service difficulty report · Support · Boeing 7378H4

Difficulty date
February 6, 2024
Submitted
March 4, 2024
Operation
Air carrier
Aircraft
N8563Z
Make and model
Boeing 7378H4
Aircraft serial
64172
Aircraft time
19,968 hours, 10,090 cycles
Part
Support
Part number
UNKNOWN
Condition
Corroded
Location
Bs 500i
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 BULKHEAD SUPPORT HAS CORROSION BS 500I RBL 23 TO LBL 23 WL 156<[01] EVALUATED CORROSION ON BULKHEAD SUPPORT BS 500I RBL 23 LBL 23 WL 156 IN NUMEROUS 1'X1' AREAS FOUND DEEPEST LOCATION TO BE AT BS 500I+1 RBL 19 WL 156; FOUND 0.020 REMOVED FROM ORIG 0.071 AND FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1 USING DIAL DEPTH GAUGE ATS 2678;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.

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