Service difficulty report · Frame Splice · Boeing 73779P

Difficulty date
May 19, 2020
Submitted
May 26, 2020
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
50,392 hours, 32,941 cycles
Part
Frame Splice
Part number
147A0002
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
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*** AFT CARGO BAY FRAME SPLICE HAS CORROSION AT STA 947.5 NEAR S-24L WL 175. REMOVED CORROSION ON FRAME SPLICE AT STA 947.5 STR 24L IN AFT CARGO COMPARTMENT IAW SRM 51-10-02-0G-0. REMOVED CORROSION ON FRAME SPLICE L2.3' X W1.0' X D.004' FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM. REMOVED FRAME SPLICE AT STA 947.5 STR 24L IN AFT CARGO COMPARTMENT IAW SRM 51-40-02-0G-0. INSTALLED NEW SPLICE PART HFAB53-SPL-011 PO 793521 IAW SRM 51-40-02-0G-0 AND DWG 147A0002.

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