Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
March 22, 2021
Submitted
April 7, 2021
Operation
Air carrier
Aircraft
N8664J
Make and model
Boeing 7378H4
Aircraft serial
36649
Aircraft time
20,784 hours, 9,249 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 100
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

INTERCOSTAL AT STA 747 TO 767 RBL 24 WL154 IS CORRODED / REMOVED CORROSION FROM INTERCOSTAL AT STA 747 TO 767 RBL 24 WL 154 IAW SRM 51-10-02-0G-0; EVALUATED AND FOUND 100% MATERIAL LOSS OUT OF LIMITS IAW SRM 53-00-53-1A-2; REMOVED OUT OF LIMITS INTERCOSTAL AND REPLACED WITH NEW INTERCOASTA P/N 146A7505-2 IAW SRM 51-40-02-0G-0; AND APPLIED CIC IAW AMM 51-21-91-620-802 OK TO CIC P/N 146A7505-2

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