Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 23, 2022
Submitted
May 19, 2022
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
59,626 hours, 35,442 cycles
Part
Floorbeam
Part number
141A550519
Condition
Corroded
Location
Fwd Galley Floor
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 ON BS 344 AND BTW RBL 1 TO LBL 12 AND WL 208.1 FWD GALLEY AREA 2022-211500 / [01] ULTRASONIC EQUIPMENT USED: P/N:45MG; S/N:130066401; DUE DATE: 17-JUN-22;[02] TOOL USED: ET EQUIPMENT P/N: NORTEC 600D; S/N: 60009161631; CAL DUE DATE: 03-DEC-22;[03] PERFORMED REPAIR CATEGORY A ON FLOOR BEAM BS 344 BTW LBL 19 TO RBL 8 I.A.W B737-700 SRM 53-10-51-2R-8 REPAIR 8 ALTERNATIVE 3 FIGURE 205. SEE INDIVIDUAL SIGNOFFS BELOW .;[04] PERFORMED REPAIR CATEGORY A ON FLOOR BEAM BS 344 BTW LBL 19 TO RBL 8 I.A.W B737-700 SRM 53-10-51-2R-8 REPAIR 8 ALTERNATIVE 3 FIGURE 205. SEE INDIVIDUAL SIGNOFFS BELOW . RII

More about the Boeing 737-7H4