Service difficulty report · Flange · Boeing 73776N

Difficulty date
February 15, 2022
Submitted
February 22, 2022
Operation
Air carrier
Aircraft
N7725A
Make and model
Boeing 73776N
Aircraft serial
32671
Aircraft time
50,724 hours, 25,358 cycles
Part
Flange
Condition
Cracked
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

GROUND POWER RECEPTACLE LOWER FLANGE IS CRACKED AT FORWARD FASTENER. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-5 FIG-102 ZONE B. REMOVED DAMAGE AREA IAW SRM 53-10-15-2R-4 STEP 4( A;B & C). HFEC INSPECTED TRIMMED EDGE IAW NDT PART 6 51-00-00 PROCEDURE 23 REF SRM 53-10-15-2R-4 STEP 4.C.(6) AND (7). NO CRACKS FOUND. TRIMMED OUT 0.040' INSURANCE CUT OF THE TRIM OUT AREA IAW SRM 53-10-15-2R-4 STEP 4.C (7). FABRICATED 2 DOUBLERS AND 3 FILLERS. APPLIED CHEMICAL CONVERSION COATING AND PRIMED THE REPAIR AREA AND CUT OUT STRUCTURE IAW SRM 51-20-01-0G-0 AND SOPM 20-41-02. INSTALLED ALL REPAIR AT RECEPTACLE CUT OUT IAW SRM 53-10-15-2R-4 STEPS 4.M(4;5) & N & DWG 141A89701.

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