Service difficulty report · Angle · Boeing 7378H4

Difficulty date
March 18, 2023
Submitted
April 19, 2023
Operation
Air carrier
Aircraft
N8530W
Make and model
Boeing 7378H4
Aircraft serial
63592
Aircraft time
19,862 hours, 9,651 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

L/H TRANSITION ANGLE HAS CORROSION AT STATION 787-10.<[01] REMOVED DAMAGE. MATERIAL REMOVED IS .015IN. REMAINING THICKNESS OF .035IN. ORIGINAL THICKNESS OF .050IN. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2.;[02] NEW L/H TRANSITION ANGLE AND REPAIR SPLICES TO BE INSTALLED FROM 727+4 TO 847 PER SRM 53-00-53-2R-5. ALL INSTALLATION WORK TO BE ACCOMPLISHED ON NR # (TTG8Q00JWK6V).;[03] VERIFIED CA-#1. MICHAEL PETERSON (TECHNICIAN); 18-MAR-2023 16:45 UTC<BR>REMOVED DAMAGE. MATERIAL REMOVED IS .015IN. REMAINING THICKNESS OF .035IN. ORIGINAL THICKNESS OF .050IN. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2.;[04] VERIFIED LONNIE HERMANN (TECHNICIAN); 29-MAR-2023 05:42 UTC<BR>NEW L/H TRANSITION ANGLE AND REPAIR SPLICES TO BE INSTALLED FROM 727+4 TO 847 PER SRM 53-00-53-2R-5. ALL INSTALLATION WORK TO BE ACCOMPLISHED ON NR # (TTG8Q00JWK6V).;[05] VERIFIED LONNIE HERMANN (TECHNICIAN); 29-MAR-2023 05:42 UTC<BR>NEW L/H TRANSITION ANGLE AND REPAIR SPLICES TO BE INSTALLED FROM 727+4 TO 847 PER SRM 53-00-53-2R-5. ALL INSTALLATION WORK TO BE ACCOMPLISHED ON NR # (TTG8Q00JWK6V).

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