Service difficulty report · Doubler · Boeing 73776N

Difficulty date
July 27, 2022
Submitted
August 18, 2022
Operation
Air carrier
Aircraft
N7884G
Make and model
Boeing 73776N
Aircraft serial
30133
Aircraft time
68,058 hours, 28,926 cycles
Part
Doubler
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

EXTERNAL POWER RECEPTACLE CUTOUT; FWD; LOWER INNER DOUBLER CRACKED. / [01] REMOVE EPR DOOR FOR INNER DOUBLER REPLACE ACCESS REF USED SRM 53-10-15-2R-4 STEP4.A(1);[[17] PERFORMED HFEC AT CUT OUT AS PER NDTM PART 6; 51-00-00 PROCEDURE 23. NO CRACKS<BR>[NORTEC 600 ; B/C 166316 ; CALIB.DUE- 10/22];[18] PERFORMED HFEC HOLE PROBE INSPECTION ON ALL REMOVED FASTENER LOCATIONS AT REPAIR AREA IAW NDTM PART 6; 51-00-00; PROCEDURE 16. NO CRACKS. [NORTEC 600 ; B/C 166316 ; CALIB.DUE- 10/22];[19] PERFORMED HFEC COUNTERSINK INSPECTION ON ALL REMOVED FASTENER LOCATIONS AT REPAIR AREA IAW NDTM PART 6; 53-30-00; PROCEDURE 3. NO CRACKS. [NORTEC 600 ; B/C 166316 ; CALIB.DUE- 10/22];[20] LOCATED AND DRILLED NEW EGPR INNER DOUBLER REF USED SRM 51-40-05-0G-0;[25] INSTALLED EGPR DOUBLER AND PARTIALLY INSTALLED FASTENERS AT EGPR EXTERIOR SKIN REF USED SRM 51-40-02-0G-0 AND DWG#141A3702;

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