Service difficulty report · Support · Boeing 7377BD

Difficulty date
March 5, 2023
Submitted
April 3, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 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

AFT CARGO BAY - CORROSION ON FLOOR SUPPORT AT BS 867+19 LBL 1.5 / BS 887+1 LBL 6.5 LBL11.5 / BS+887+1 RBL 1.5.<[01] THIS PART DOES NOT HAVE 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/SERVICABLE AFT CARGO BAY FLOOR SUPPORT BS 887 LOCATED AND DRILLED PER DWG#146A9401 AND SRM#51-40-05;[04] VERIFIED CORRECTIVE ACTIONS STEP 3.;[05] VERIFIED MEASUREMENTS TABLE.;[06] CERTIFY.

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