Service difficulty report · Angle · Boeing 7378H4

Difficulty date
November 18, 2024
Submitted
December 16, 2024
Operation
Air carrier
Aircraft
N8517F
Make and model
Boeing 7378H4
Aircraft serial
63594
Aircraft time
26,450 hours, 13,157 cycles
Part
Angle
Condition
Corroded
Location
Zn 100 Fus Lower
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

DOT#13 A-043 CABIN FLOOR STRUCTURE AFT WET AREA ANGLE CORRODED AROUND 2EA NUTPLATE HOLES STA 986+7' RBL 40 WL 208<[01] REMOVED CORROSION ON ANGLE AROUND 2EA NUTPLATE HOLES STA 986+7' RBL 40 WL 208 I.A.W. 51-10-02-0G-0 ITEM 15 VERIFIED WITH 10X MAGNIFYING GLASS<BR><BR>BLEND OUT FOUND TO BE OUT OF LIMITS ALLOWABLE DAMAGE LIMITS FOR THE ANGLE LOCATED ON BS 986+7' AT RBL 40 AND WL 208 NO WERE FOUND ON B737 SRM 53-70-51-1A-1.<BR><BR>UT MEASURED IAW B737 NDT P4 51-00-00 P2 TOOL 36285 DUE 02NOV25<BR><BR>FOUND .050' ORIGINAL; .029' REMAINING; .021' LOSS<BR><BR>FINDINGS MARKED ON PART<BR><BR>REMOVED AND INSTALLED NEW SUPPORT ANGLE I.A.W. SRM 51-40-02-0G-0;[02] REMOVED CORROSION ON ANGLE AROUND 2EA NUTPLATE HOLES STA 986+7' RBL 40 WL 208 I.A.W. 51-10-02-0G-0 ITEM 15 VERIFIED WITH 10X MAGNIFYING GLASS<BR><BR>BLEND OUT FOUND TO BE OUT OF LIMITS ALLOWABLE DAMAGE LIMITS FOR THE ANGLE LOCATED ON BS 986+7' AT RBL 40 AND WL 208 NO WERE FOUND ON B737 SRM 53-70-51-1A-1.<BR><BR>UT MEASURED IAW B737 NDT P4 51-00-00 P2 TOOL 36285 DUE 02NOV25<BR><BR>FOUND .050' ORIGINAL; .029' REMAINING; .021' LOSS<BR><BR>FINDINGS MARKED ON PART<BR><BR>REMOVED AND INSTALLED NEW SUPPORT ANGLE I.A.W. SRM 51-40-02-0G-0 AND I.A.W. B-737 DWG NO. 147A5700 REV.A;[03] COMPLETE <BR> C/W AUDIT

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