Service difficulty report · Web · Boeing 73771B

Difficulty date
December 7, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7845A
Make and model
Boeing 73771B
Aircraft serial
29366
Aircraft time
50,501 hours, 32,811 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
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

AFT CARGO COMPARTMENT - FLOOR SUPPORT ZEE CHANNEL HAS CORROSION ON (5EA) SPOTS BTW STA 767 AND STA 787 RH SIDE 2023-748550<[01] TOOL USED: ULTRASONIC THICKNESS GAGE. P/N: 45MG. S/N: 130061901. DUE DATE: 09-JUN-24.;[02] REPLACED SHIELD WEB AND FASTENERS LOCATED BTW STA 767 AND STA 787 RH SIDE AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 Ï¿½TEM 9 AND SRM 51-40-02 AND DWG: 146A0081 SHEET: 31 REV: -; ?SEE INDIVIDUAL SIGN OFF BELOW?.;[03] CERTIFIED STEP 2 COMPLETED

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