Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
November 21, 2023
Submitted
December 15, 2023
Operation
Air carrier
Aircraft
N8675A
Make and model
Boeing 7378H4
Aircraft serial
35976
Aircraft time
26,896 hours, 13,003 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

FLOOR BEAM CORRODED AT STA 947 LBL-50 AROUND GALLEY FITTING<[01] REMOVED CORROSION FROM STA 947 FLOOR BEAM THAT WAS UNDER PAD .FOUND TO BE IN LIMITS FLOOR BEAM ONLY PER SRM 53-70-51-1A-1;[02] CORROSION DAMAGE TO MACHINED INTERCOSTAL UNDER PAD OUT OF LIMITS PER SRM 53-70-51-11-1 LBL 50 STA 947;[03] RII: VERIFIED CORRECTIVE ACTION #1;[04] REMOVED MACHINED INTERCOSTAL PER SRM 51-40-02;[05] REMOVED AND REPLACED DAMAGED INTERCOSTAL BETWEEN STA 947.5 - 967; LBL 50 PER SRM 51-40-02.

More about the Boeing 737-8H4