Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
November 3, 2024
Submitted
December 6, 2024
Operation
Air carrier
Aircraft
N8605E
Make and model
Boeing 7378H4
Aircraft serial
36891
Aircraft time
39,948 hours, 18,873 cycles
Part
Floorbeam
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

CORROSION ON FLOOR BEAM LOCATED BS 986.5 AND RBL 43 WL 208.1 AT AFT GALLEY AREA 2024-686072<[01] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 130060401; DUE DATE: 28-MAR-25.;[02] PERFORMED EVALUATED DAMAGE LOCATED ON FLOOR BEAM BS 986.5 AT RBL 43 AT AFT GALLEY AREA; DAMAGE FOUND WITHIN LIMITS IAW B737-800 SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1; PARAGRAPH 4.H (2)(B) FIGURE 104 DETAIL N.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[03] TASK COMPLETED <BR>SEE INDIVIDUAL SIGN OFF BELOW

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