Service difficulty report · Support · Boeing 7377H4

Difficulty date
April 25, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 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

MULTIPLE AREAS OF CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 927-947 WL 174-178.<[01] VERIFIED APPLICABILITY IAW SRM 53-70-53-0I-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE.<BR>REMOVED CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 867-887 WL 161-166 IAW SRM 51-10-02-0G-0;[02] COMPLETED STEP 1-2;[03] COMPLETED STEPS 1 AND 2. VERIFIED MEASUREMENT TABLE;[04] RECIVED; LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT LOT 1480526-2 AT RBL 21 BS 927-947 WL 174-178.; IAW 737-700 SRM 51-40-05-0G-0 DWG 147A7501.-;[05] VERIFIED CORRECTIVE ACTION 4;[06] VERIFIED COMPLETE.

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