Service difficulty report · Skin · Boeing 757224

Difficulty date
January 10, 2023
Submitted
January 11, 2023
Operation
Air carrier
Aircraft
N14115
Make and model
Boeing 757224
Aircraft serial
27557
Aircraft time
105,922 hours, 22,048 cycles
Part
Skin
Part number
143N3691
Part serial
NA
Condition
Damaged
Location
L Side Fuselage
Stage of operation
IN
How discovered
O
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

DISCOVERED ADDITIONAL LEFT SIDE FUESLAGE DAMAGE BETWEEN WATER SYSTEM DRAIN AND LAV SERVICE DOOR BLENDED OUT DAMAGE MARKED 1 INCH GRID FOR NDT ATTACHED IMAGES HFEC NO CRACKS ULTRASOUND MATERIAL AFTER BLEND. SEE IMAGE FOR ACCOMPLISHED STEP 2 & 5 , REF AVO 10293 REF AVO 10293 ITEMS 3 AND 4. ACCOMPLISHED DVI OF EXTERNAL AND AFTER FUSE SKIN CUTOUT AND FASTENERS REMOVED, HFEC PER AVO10293 THICKNESS. WORK ACP BY INSP. HOMEN U103280 INTERNAL FUSELAGE SKIN AND OTHER STRUCTURAL COMPONENTS WITHIN DTD 12/28/22 STEPS 6, 7 AND 8. NO CRACK FOUND. REF B757 NDT PART 20" RADIUS. ONLY FOUND A SLIGHTLY BENT SHEER TIE AT STA679 6, 51-00-19, 51-00-16, AND 53-30-03. BETWEEN STR 22L AND STR 21L. DOUBLER AND FILLER PO # 831-0270-0141 , M&E # 40-0604-3-1563 , VERIFIED INSURANCE CUT ACPED AND PO # 831-0270-0141 OF THE CONTOUR ROLLED DOUBLER TO MATCH AIRCRAFT SKIN , PICKED UP STRAIGHTENED SHEER TIE. HAD INSPECTOR HFEC SHEER TIE WHEN HE PICKED UP NEW FASTENER HOLE LOCATIONS. REAMED TO 0.187 PER AVO 2024T3 .063 . ACCOMPLISHED INSURANCE CUT IN SKIN CUT OUT AREA. MATERIAL.. ORIGINAL AIRCRAFT FASTENER HOLES IN DOUBLER AND FILLER , LAID WAS HFEC OTHER AREAS, NO CRACKS FOUND IN SHEER TIE. 10293. WORK ACCOMPLISHED BY AMT U107437. REF AVO 10293 REV .A ,STEP 6. OUT AND PICKED UP REPAIR FASTENER HOLES IN DOUBLER AND FILLER AND PILOT DRILLED.REF AVO 10293 REV. A . ACP''ED DOUBLER EDGE CHAMFERS AND COUNTER SINKS. ALODINED ACP''ED DOUBLER EDGE CHAMFERS AND COUNTER SINKS. ALODINED INSPECTED ACP