Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 21, 2023
Submitted
April 19, 2023
Operation
Air carrier
Aircraft
N217JC
Make and model
Boeing 7377H4
Aircraft serial
34232
Aircraft time
59,800 hours, 35,508 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 BS 767 S-25R RBL 21.00 AND WL 156 AT AFT CARGO COMPARTMENT 2023-191917<[01] REPLACED SUPPORT ZEE AND FASTENERS LOCATED BS727 TO BS 767 S-25R RBL 21.00 AND WL 156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02;SRM 51-40-02; DWG 146A7500; SHEET 58; REV. A AND DWG 146A7502 SHEET 26; REV.-. SEE INDIVIDUAL SIGNS-OFF BELOW;[02] STEP 1 CORRECTED. REPLACED SUPPORT ZEE AND FASTENERS LOCATED BS727 TO BS 767 S-25R RBL 21.00 AND WL 156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02;SRM 51-40-02; DWG 146A7500; SHEET 85; REV. A AND DWG 146A7502 SHEET 26; REV.-. SEE INDIVIDUAL SIGNS-OFF BELOW;[03] CORRECTIVE ACTION STEP 2 CERTIFIED RII

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