Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
July 22, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Floor Support
Condition
Elongated
Location
Fwd Cargo Bay
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

FCB FLOOR SUPPORT HAS ELONGATED FASTENER HOLE BS492 RBL17 WL156. / [01] VERIFIED APPLICABILITY NO ALLOWABLE DAMAGE FOR THIS PART TO BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02 PARA#9;[02] REMOVED FCB FLOOR SUPPORT HAS ELONGATED FASTENER HOLE BS492 RBL17 WL156. IAW SRM 51-40-02.;[03] FABRICATED FCB NEW FLOOR SUPPORT BS 492 RBL 17 WL 156 P/N BAC1505-100261#2024-T3511 EXTRUSION;LOT#5116161-1 PO#869316/1 IAW SRM 51-40-05 AND DWG 143A9405 REV:A.;[04] VERIFIED CORRECTIVE ACTION 1-3;[05] APPLIED CHEMICAL CONVERSION COATING AND PRIMER FCB FLOOR SUPPORT BS 492 RBL 17 WL 156 IAW SRM 51-20-01 AND AMM 51-21-72-370-804; OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTION 1 OK TO INSTALL;[07] INSTALLED FCB NEW FLOOR SUPPORT BS 492 RBL 17 WL 156 IAW SRM 51-40-02 AND DWG I43A8330 REV:-;[08] VERIFIED CORRECTIVE ACTION STEP 7.;[09] TASK CARD COMPLETE.

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