Service difficulty report · Doubler · Boeing 73779P

Difficulty date
February 14, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
53,322 hours, 35,875 cycles
Part
Doubler
Condition
Cracked
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

CRACK ON CUTOUT SURROUND DOUBLER OF ELECTRICAL GROUND POWER RECEPTACLE OF ACCESS PANEL 114AR 2023-116893<[01] TOOL USED EDDY CURRENT EQUIPMENT PN NORTEC 500D; SN: N500X12101V022237; 26 JAN 24.;[02] PERFORMED REPAIR ON LOWER HORIZONTAL RUBBING BLOCK AREA OF CUT OUT SURROUND DOUBLER OF ELECTRICAL GROUND POWER RECEPTACLE OF ACCESS PANEL 114AR IAW SRM B737-700 53-10-15-2R-4 REPAIR 4; ZONE 2 ; FIGURE 204; SHEET 1. SEE INDIVIDUAL SIGN OFF BELOW;[03] PERFORMED REPAIR ON LOWER HORIZONTAL RUBBING BLOCK AREA OF CUT OUT SURROUND DOUBLER OF ELECTRICAL GROUND POWER RECEPTACLE OF ACCESS PANEL 114AR IAW SRM B737-700 53-10-15-2R-4 REPAIR 4; ZONE 2 ; FIGURE 204; SHEET 1. SEE INDIVIDUAL SIGN OFF BELOW

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