Service difficulty report · Angle · Boeing 7378H4

Difficulty date
August 1, 2022
Submitted
August 25, 2022
Operation
Air carrier
Aircraft
N8645A
Make and model
Boeing 7378H4
Aircraft serial
36907
Aircraft time
27,093 hours, 12,483 cycles
Part
Angle
Condition
Corroded
Location
Fuselage
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

LIGHT CORROSION ON L/H TRANSITION ANGLE AROUND NUTPLATE HOLES; STA 500A+5 TO 500I; LBL 24. / [01] CHANGED FAULT NAME FROM - LIGHT CORROSION ON L/H TRANSITION ANGLE AROUND NUTPLATE HOLES; STA 500A+5 TO 520; LBL 24. TO - LIGHT CORROSION ON L/H TRANSITION ANGLE AROUND NUTPLATE HOLES; STA 500A+5 TO 500I; LBL 24. PER E55124.;[02] CORROSION IS OUT OF LIMITS ;AND HOLES ARE ELONGATED PER SRM 53-10-15.;[03] CORROSION IS OUT OF LIMITS ;AND HOLES ARE ELONGATED PER SRM 53-10-15.;[04] REMOVED TRANSITION ANGLE FROM STA 480+10 TO 500I FOR REPLACEMENT;[05] DRILLED NEW SIDE PLATE SECTIONS BETWEEN EXISTING SPLICES FRO STA 480 +10 TO 500I PER SRM 53-00-53. OK TO TREAT AND PAINT REPLACEMENT PARTS.;[06] 5. ROSS RICHARDSON (TECHNICIAN); 08-AUG-2022 00:12 UTC<BR>DRILLED NEW SIDE PLATE SECTIONS BETWEEN EXISTING SPLICES FRO STA 480 +10 TO 500I PER SRM 53-00-53. OK TO TREAT AND PAINT REPLACEMENT PARTS. INSPECTED.;[07] TREATED AND PAINTED REPLACEMENT PIECES PER SRM 51-20-01 AND AMM 51-21-72. ATTACHED BOTH REPLACEMENT PIECES TOGETHER PER SRM 51-40-02.;[08] VERIFIED TREATED AND PAINTED REPLACEMENT PIECES PER SRM 51-20-01 AND AMM 51-21-72. ATTACHED BOTH REPLACEMENT PIECES TOGETHER PER SRM 51-40-02.;[09] INSTALLED ADHESIVELY BONDED NUT PLATES ON REPLACEMENT PIECES PER SRM 51-40-10 AT 1500 08AUG2022.;[10] REPLACED SECTION OF TRANSITION ANGLE FROM STATION 490 TO 500I LBL 24 PER SRM 53-00-53-2R-6;[11] REPLACED SECTION OF TRANSITION ANGLE FROM STATION 490 TO 500I LBL 24 PER SRM 53-00-53-2R-6

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