Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
May 5, 2021
Submitted
June 23, 2021
Operation
Air carrier
Aircraft
N938WN
Make and model
Boeing 7377H4
Aircraft serial
36645
Aircraft time
39,916 hours, 24,221 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 261-269
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*** FLIGHT DECK FLOOR INTERCOSTAL HAS AREAS OF CORROSION; BS 261 - 269; LBL 11; WL 207.5 / REMOVED CORROSION ON FLIGHT DECK FLOOR INTERCOSTAL AT B.S 261-269 LBL 11 WL 207.5; BLEND MEASURED 1' X 0.5' X 0.013'; FOUND TO BE OUT OF LIMITS PER SRM 53-10-51-1A-1; REMOVED AND REPLACED WITH NEW INTERCOSTAL PER SRM 51-40-02 DWG 141A5210 SH 19 AND DWG 140A9810 SH 19 AND DWG 141A5600 SH 2.

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