Service difficulty report · Support · Boeing 7377H4

Difficulty date
April 24, 2025
Submitted
May 29, 2025
Operation
Air carrier
Aircraft
N291WN
Make and model
Boeing 7377H4
Aircraft serial
32539
Aircraft time
58,271 hours, 34,957 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 BS 727 PLUS 15 INCH RBL 21 AND WL 156 AFT CARGO COMPARTMENT 2025-274487 <[01]. REPLACED SUPPORT ZEE ( ZEE CHANNEL SIDE PLATE ) AND FASTENERS LOCATED BS 727+4 TO BS 767 RBL 21 AND WL 156 AFT CARGO COMPARTMENT IAW B737-700 DWG 146A7500; SHEET 113; REV-; SRM 51-40-02; SRM 51-10-02 AND DWG 146A7500; SHEET 113; REV-. SEE INDIVIDUAL SIGN-OFF BELOW.; [02] CORRECTED STEP 1: REPLACED SUPPORT ZEE (ZEE CHANNEL SIDE PLATE) AND FASTENERS LOCATED BS 727+4 TO BS 767 RBL 21 AND WL 156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DWG 146A7500; SHEET 113; REV-.; [03] CORRECTED STEP 2: REPLACED SUPPORT ZEE (ZEE CHANNEL SIDE PLATE) AND FASTENERS LOCATED BS 727+4 TO BS 767 RBL 21 AND WL 156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DWG 146A7500; SHEET 113; REV-. SEE INDIVIDUAL SIGN-OFF BELOW.; [04] RII COMPLETED TASK CERTIFIED.

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