Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 24, 2020
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
54,585 hours, 32,477 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 807-827
Stage of operation
IN
How discovered
V
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 INTERCOSTAL AT ACB BS807 TO BS827 RBL6 WL156. / REMOVED AND REPLACED INTERCOSTAL AT ACB BS807 TO BS827 RBL6 WL156 IAW SRM 51-40-02 AND DWG 146A8130. FABRICATED NEAR INTERCOSTAL FROM .036' 7075T0 AND SENT IT TO OSS HT TO T62 IAW DWG 146A8132; LOCATED AND DRILLED INTERCOSTAL IAW SRM 51-40-05; TREATED AND PRIMED IAW SRM 51-20-01-0G-0 AND SOPM 20-41-02

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