Service difficulty report · Skin · Boeing 757224

Difficulty date
June 5, 2021
Submitted
June 7, 2021
Operation
Air carrier
Aircraft
N17105
Make and model
Boeing 757224
Aircraft serial
27295
Aircraft time
99,302 hours, 23,415 cycles
Part
Skin
Part number
143N3320
Condition
Scratched
Location
L2 Door
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

MOVE CREW FOUND SCRATCHES ON LEFT SIDE FORWARD OF DOOR 2L JUST AFT OF WING SCAN LIGHT LENS. AS REQUESTED BY ENGNR AND SM, PERFORMED NDT ULTRASONIC PER NTM PT 4-00-04-02, OLYMPUS 35 THICKNESS MEASUREMENT. PICTURES OF RESULTS ATTACHED BLENDED THE SKIN GOUGES IN ACCORDANCE WITH 757-200 .SRM 53-00-01 AD1 FROM AVO 8998 DISPOSITION 4 THE REFERENCE THAT WAS USED FOR BLENDING OUT THE GOUGES WERE ACP HFEC INSP IAW 757 NTM PT 6 51-00-19. IAW AVO 8998 STEP3. NO DEFECTS NOTED AT THIS TIME. ADDITIONAL DAMAGE NOTED REF AVO8998 DISPOSITION 1. ACCOMPLISHED DVI OF INTERNAL STRUCTURE AND EXTERNAN NO ACCOMPLISHED STEPS 7,8,10&11 OF AVO 8998 REV A. C/W REQ INSPECTION OF STEPS 7-11 OF AVO 8998 REV A. PERFORMED EWIS AROUND REPAIR AREA AND REMOVED FASTNERS THAT WERE BLENDED OVER PER STEP 9, DENT SHOWED NO EVIDENCE OF PULLED ,LOOSE,MISSING,OR ENLONGATED FASTENER HOLES PER STEP 12 OF AVO 8998 REV A. 8998. OF THOSE HOLES TO ENSURE NO CRACKS EXIST PER STEP 14 OF AVO REMOVED FASTENERS COMMON TO REPAIR AREA. NEED TO ACCOMPLISH HFEC NEED QC TO PERFORM EXTERIOR SPOT PROBE MFEC INSP FOR ANY EVIDENCE OF CRACKS ALONG THE CHEM-MILLED STEP(S) OF SKIN PANEL OR IF ACCESSIBLE ON INTERIOR, PERFORM HFEC AT CHEM-MILLED STEP RADIUS PER STEP 15 OF AVO 8998. A. C/W REQUIRED INSPECTION OF STEP 1, 9, 12, AND 13 REF AVO8998 REV REQUIRE MATERIAL VERIFICATION FOR NEW REPAIR DOUBLER OF 0.063" THICK 2024-T3 CLAD SHEET PER AVO8998 AVO8998 REV. A OF STEPS A.(17) COLD FORM BACK THE DENTED SKIN TO IT''S ORIGINAL CONTOUR PER