Service difficulty report · Support · Boeing 73776Q

Difficulty date
April 14, 2023
Submitted
May 9, 2023
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
66,624 hours, 41,198 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 ON FLOOR SUPPORT SPLICE AT ACB BS727D+6 LBL20 TO RBL20 WL156.<[01] THIS PART DOES NOT ALLOWABLE DAMAGE LIMITS; IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02 STEP 9;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] RECEIVED NEW SPLICE STRIP ASSY AT AFT CARGO BAY BS 727B LBL 20 TO RBL 20 WL 156 P/N 146A9401-8 PO NUMBER 897803/1 AND DWG 146A9401;[04] VERIFIED CORRECTIVE ACTION STEP 3. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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