SDR UIEA2019081405171

Service difficulty report · Splice Plate · Boeing 747422

Difficulty date: August 28, 2019
Submitted: September 3, 2019
Operation: Air carrier
Aircraft: N480MC
Make and model: Boeing 747422
Aircraft serial: 28812
Aircraft time: 75,274 hours, 8,388 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Splice Plate
Condition: Gouged
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

FX - RT O/B SPLICE PLATE BETWEEN STA 1460 & 1480, #1, #4, #5 (COUNT FROM FWD) BOLTS HOLES FOUND GOUGE DURING REMOVAL. RT O/B SPLICE PLATE BETWEEN STA 1460 AND STA 1480, #1, #4, & #5 BOLT HOLES OVERSIZE REAMED TO DIA 0.593" TO CLEAN THE GOUGE AS PER SRM 51-40-05. BACB30US9K-Y, BACW10BP92CD, AND BACW10BP92DP INSTALLED INTO THE 3 EA SUBJECT HOLES, REF RI NO: 53-00-13691 REV. A AND EO 4453B730.