Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 25, 2023
Submitted
October 20, 2023
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
26,522 hours, 12,730 cycles
Part
Angle
Part number
UNKNOWN
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

AFT CARGO STA 767-747 RBL 23 TRANSITION ANGLE HAS CORROSION AROUND NUT PLATE HOLES.<[01] REMOVED CORROSION FROM AREA PER SRM 53-00-53-1A-2 (REMAINING THICKNESS 0.037'). TRANSITION ANGLE IS OUT OF WITHIN LIMITS PER<BR>SRM 53-00-53-1A-2.;[02] REMOVED RH TRANSITION ANGLE FROM STA 727G+10 TO STA 767.;[03] LOCATED HOLES ON NEW TRANSITION ANGLE PER SRM 51-40-02.;[04] INSPECTED WORK PERFORMED ON C/A #3;[05] TREATED AND PRIMED TRANSITION ANGLE PER SRM 51-20-01 AND <BR>SOPM 20-41-02.;[06] INSTALLED BONDED NUTPLATES TO TRANS ANGLE FROM 727G TO 767 PER SRM 51-40-10. INSTALLED TIME 0300 10-06-2023 24HR FOR FULL CURE;[07] C/W CA#6 INSTALLED BONDED NUTPLATES TO TRANS ANGLE FROM 727G TO 767 PER SRM 51-40-10. INSTALLED TIME 0300 10-06-2023 24HR FOR FULL CURE;[08] FABRICATED TRANSITION ANGLE REPAIR PARTS PER SRM 53-00-53-2R-6.;[09] RII: INSPECTED WORK ACCOMPLISHED IN C/A # 8. CARLOS FLOREZ (TECHNICIAN); 06-OCT-2023 12:45 UTC FABRICATED TRANSITION ANGLE REPAIR PARTS PER SRM 53-00-53-2R-6.<BR><BR>RII: OK TO INSTALL REPAIR PARTS.<BR><BR>SEE STEP 1 FOR NUTPLATE INSTALLATION PUSH CHECK. (REF C/A #'S 6 AND 7);[10] REPAIRED TRANSITION ANGLE STA 727G+10' TO STA 767; RBL 23 PER SRM 53-00-53-2R-6.;

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