Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
November 3, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N8554X
Make and model
Boeing 7378H4
Aircraft serial
36993
Aircraft time
19,892 hours, 9,901 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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

AFT PASSENGER COMPARTMENT FLOOR STRUCTURE - WET AREAS - CORROSION ON FLOOR BEAM BS 947 LBL 15.75 WL 208 (MARKED)<[01] FAULT RESOLVED ON OTHER FAULT<BR>DAMAGE TO BE REPAIRED ON FAULT TTG8Q00PEN6P DUE TO EXCEED LIMITS GIVEN PER SRM 53-70-51-1A-1 AND REQUIRED A REPAIR COVERING AREA REPORTED ON THIS CARD;[02] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 1 AND MEASUREMENT TABLE.

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