Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 14, 2023
Submitted
April 17, 2023
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
58,906 hours, 34,822 cycles
Part
Support
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

CORROSION SUPPORT ZEE LOCATED BS727 TO BS767 AT LEVEL STR25R AND WL155.75 AFT CARGO COMPARTMENT 2023-185416<[01] TOOL USED: ELECTRIC CALIPER P/N: 8647A42 S/N: B22058409 DUE DATE: 27-JAUG-2023;[02] REPLACED SUPPORT ZEE AND FASTENERS LOCATED BS727 TO BS767 AT LEVEL STR25R AND WL155.75 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 146A7500 REV:A. SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED SUPPORT ZEE AND FASTENERS LOCATED BS727 TO BS767 AT LEVEL STR25R AND WL155.75 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 146A7500 REV:A. <BR>RII ACCOMPLISHED <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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