Service difficulty report · Angle · Boeing 7378H4

Difficulty date
October 14, 2022
Submitted
November 7, 2022
Operation
Air carrier
Aircraft
N8655D
Make and model
Boeing 7378H4
Aircraft serial
42529
Aircraft time
26,727 hours, 12,442 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

FWD CARGO COMPARTMENT RH FLOOR TRANSITION ANGLE HAS CORROSION AROUND FASTENER HOLES STA. 500B-500C REFERENCE [TTG8Q00FFPBL] / [01] REMOVED DAMAGE PER SRM 51-10-02. REMOVED .001 INCH OF MATERIAL AT STATIONS 500B+2 AND 500B+7. REMAINING MATERIAL AT THOSE LOCATIONS IS .039 INCH AND IS WITHIN LIMITS PER SRM 53-00-53-1A-2. OKAY TO TREAT AND PRIME REWORKED AREAS AT THE TWO GIVEN LOCATIONS.;[02] REMOVED DAMAGE PER SRM 51-10-02 AT STATION 500B+15. REMOVED .013 INCH OF MATERIAL. REMAINING THICKNESS AT THIS LOCATION IS .027 INCH AND IS OUT OF LIMITS PER SRM 53-00-53-1A-2. REPLACE DAMAGED SECTION OF TRANSITION ANGLE AS NOTED IN STEP 1.;[10] CHANGED REPAIR TYPE FROM MINOR TO MAJOR AS PER INSTRUCTIONS IN EA M-22-153-01550.;[11] INSTALLED NEW R/H TRANSITION ANGLE FROM STATION 500B+10 TO 500G+9. ALL WORK REFERENCE TO SRM 53-00-53-2R-5; AND EA M-22-153-01550.;[12] 11. CAO TRAN (TECHNICIAN); 29-OCT-2022 03:14 UTC<BR>INSTALLED NEW R/H TRANSITION ANGLE FROM STATION 500B+10 TO 500G+9. ALL WORK REFERENCE TO SRM 53-00-53-2R-5; AND EA M-22-153-01550.<BR>C/W RII INSPECTION.;[13] C.W. ALL TASKS.

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