Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
January 26, 2020
Submitted
August 23, 2021
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
26,557 hours, 11,541 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 927-947
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

INTERCOASTAL AT LBL 50; BETWEEN STA 927 AND STA 947.5 HAS CORROSION AT OUTBOARD FASTENER HOLE COMMON TO FLOOR BEAM STA 947.5 AND IS OUT OF LIMITS PER SRM 53-70-51-1A-1. / REMOVED AND REPLACED DAMAGED INTERCOASTAL STA 927-947 LBL 50 PER SRM 51-40-02. ' 'PART REPLACED P/N 147A5690.3

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