Service difficulty report · Structure · Boeing 737752

Difficulty date
May 31, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N7844A
Make and model
Boeing 737752
Aircraft serial
35118
Aircraft time
52,836 hours, 28,617 cycles
Part
Structure
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

CORROSION FLOOR STRUCTURE LOCATED BS986.5 WL208.1 AND LBL43 AT AFT GALLEY AREA 2023-360184<[01] ULTRASONIC EQUIPMENT USED P/N: 45MG; S/N: 130063701 AND DUE DATE: 16-JUN-23.;[02] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N: 45MG; S/N:221860711; CAL DUE DATE:07-NOV-23<BR>TOOL USED: EDDY CURRENT EQUIPMENT; P/N: NORTEC600D; S/N : 210138103; CAL DUE DATE: 02-MAY-24;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[04] PERFORMED PERMANENT REPAIR ON FLOOR STRUCTURE LOCATED BS986.5 WL208.1 AND LBL43 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-6; REPAIR 6 AND SRM 51-40-02. SEE INDIVIDUAL SIGN OFF BELLOW.;[05] RII JOB COMPLETED