Service difficulty report · Doubler · Boeing 73771B

Difficulty date
December 1, 2023
Submitted
January 2, 2024
Operation
Air carrier
Aircraft
N7845A
Make and model
Boeing 73771B
Aircraft serial
29366
Aircraft time
50,501 hours, 32,811 cycles
Part
Doubler
Part number
UNKNOWN
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 DOUBLER LOC ON GROUND ELECTRICAL POWER DOOR CUT OUT AT LOWER FUSELAGE 2023-748306<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: RADIOMETER PHOTOMETER P/N: XRP-3000; S/N: 1753759; CAL DUE DATE: 12-APR-24;[03] PERFORMED PERMANENT REPAIR AT DOUBLER OF GROUND ELECTRICAL POWER DOOR CUTOUT LOWER POSITION; AT FWD FUSELAGE. IAW B737-700 SRM 53-10-15-2R-4. REPAIR 4. SEE INDIVIDUAL SIGN-OFF BELOW.;[04] CORRECTED STEP 3. <BR>PERFORMED PERMANENT REPAIR AT DOUBLER OF GROUND ELECTRICAL POWER DOOR CUTOUT LOWER POSITION; AT FWD FUSELAGE. IAW B737-700 SRM 53-10-15-2R-4. REPAIR 4. AND DWG 141A8701. REV. ?-?. SEE INDIVIDUAL SIGN-OFF BELOW.;[05] PERFORMED PERMANENT REPAIR AT DOUBLER OF GROUND ELECTRICAL POWER DOOR CUTOUT LOWER POSITION; AT FWD FUSELAGE. IAW B737-700 SRM 53-10-15-2R-4. REPAIR 4. AND DWG 141A8701. REV. ?-?. SEE INDIVIDUAL SIGN-OFF BELOW.

More about the Boeing 737-71B