Service difficulty report · Support · Boeing 7377H4

Difficulty date
August 8, 2023
Submitted
September 6, 2023
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
59,226 hours, 35,397 cycles
Part
Support
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

CORROSION SUPPORT ZEE LOCATED BETWEEN BS727E TO BS767 RBL21 AND WL156 AFT CARGO COMPARTMENT 2023-490559<[01] REPLACED SUPPORT ZEE LOCATED BTW BS727 TO BSU67 RBL21 AND WL156 AT AFT CARGO COMPARTMENT I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 146A7500 SHEET 85 REV. A AND DWG 146A7502 SHEET 26 REV. -<BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW;[02] CORRECTED STEP 1<BR>REPLACED SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL21 AND WL156 AT AFT CARGO COMPARTMENT I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 146A7500 SHEET 85 REV. A AND DWG 146A7502 SHEET 26 REV. -<BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW;[03] REPLACED SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL21 AND WL156 AT AFT CARGO COMPARTMENT I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 146A7500 SHEET 85 REV. A AND DWG 146A7502 SHEET 26 REV. - <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW<BR>AS RII

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