Service difficulty report · Doubler · Boeing 73779P

Difficulty date
April 20, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N7860A
Make and model
Boeing 73779P
Aircraft serial
29362
Aircraft time
49,658 hours, 34,219 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

CUSTOMER REQUEST CRACK ON EGPR SURROUND DOUBLER AT BS 235.8 LOWER FUSELAGE 2023-282414<[01] TOOL USED: CALIPER PN: 500-196-30 S/N: A22046819 DUE DATE: 22/JUN/23;[02] TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC 600D; SN:60009161631; DUE DATE: 31-JAN-24;[03] PERFORMED PERMANENT REPAIR LOCATED ON EGPR SURROUND DOUBLER AT BS 235.8 LOWER FUSELAGE I.A.W B737-700 SRM 53-10-15-2R-4; REPAIR 4.<BR>SEE INDIVIDUAL SIGN OFF BELOW;[04] PERFORMED PERMANENT REPAIR LOCATED ON EGPR SURROUND DOUBLER AT BS 235.8 LOWER FUSELAGE I.A.W B737-700 SRM 53-10-15-2R-4; REPAIR 4. <BR>SEE INDIVIDUAL SIGN OFF BELOW RII Ï¿½TEM

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