Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 11, 2020
Submitted
April 14, 2020
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Support
Condition
Corroded
Location
Fuselage
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 FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 500A-500D; W.L. 155; R.B.L. 21. / REMOVED AND REPLACED ON FCB NEW FLOOR TO SIDEWALL SUPPORT AT BS 500A-500D WL 155 RBL 21 FROM BAC 1496-444 # 7075T62 CLAD LOT # 1419983-2 IAW SRM 53-00-53-1A-2 STEP 4A(2) FIG 103; SRM 51-40-02; SRM 51-20-01; SRM 51-40-05 AND DWG 143A7501; DWG 143A7500 80641U 18MAR20

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