Service difficulty report · Flange · Boeing 7377BD

Difficulty date
March 11, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N7702A
Make and model
Boeing 7377BD
Aircraft serial
33917
Aircraft time
58,738 hours, 31,443 cycles
Part
Flange
Condition
Corroded
Location
Fwd Fuselage
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 UPPER FLANGE LOCATED BS328 ; RBL52 AND WL208.1 AT FWD GALLEY AREA 2022-122221 / [01] TOOL USED: THICKNESS GAGE P/N:45MG; S/N: 130060401; DUE DATE: 22-APR-22.;[02] TOOL USED FLAPSPEED PN: FPK-PRO-104; SN: PRO-3448; DUE DATE: 18-NOV-22.;[03] REPAIRED FLOOR BEAM UPPER FLANGE LOCATED BS328 ; RBL52 AND WL208.1 AT FWD GALLEY AREA I.A.W B737-700 SRM 53-10-51-2R-7 REPAIR 7 AND EA # 22-153-00912- WIP1 AND EA 22-153-00912 <BR>SEE INDIVIDUAL SIGNOFFS BELOW;[04] TASK CARD COMPLETE AND CERTIFIED AS RII.<BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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