Service difficulty report · Stringer · Boeing 737752

Difficulty date
July 21, 2024
Submitted
September 10, 2024
Operation
Air carrier
Aircraft
N7847A
Make and model
Boeing 737752
Aircraft serial
34297
Aircraft time
56,256 hours, 32,341 cycles
Part
Stringer
Condition
Cracked
Location
Zone 100
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

CRACK INDICATION FOUND IN OPEN FASTENER HOLE LOC ON BS 727 INNER CHORD LOWER POSITION AT STRINGER 18A LEFT SIDE CRACK DIRECTION IS: 3 O CLOCK 2024-455145<[01] TOOL USED: EDDY CURRENT EQUIPMENT; PN: NORTEC 600D; SN: 220272512; DUE DATE: 08-JAN-25;[02] STEP 5 TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: N500X1201V022240; CAL DUE DATE: 28-MAR-25;[03] REPLACED FITTING AND FASTENERS <BR>LOCATED ON BS 727 INNER CHORD LOWER POSITION AT STRINGER 18A LEFT SIDE. IAW B737-700 SRM 51-40-02; 51-10-02-0G-0 PARAGRAPH 9 AND DWG 146A0062 SHEET 21 REV -.;[04] REPAIRED FUSELAGE LH FRAME INNER CHORD AT BSTA 727 & AT STRINGER 18A AFT LOWER FITTING IAW EA# 24-153-02265-WIP3; EA# 24-153-02265-WIP4 AND EA#24-153-02265;[05] CORRECTED STEPS 3 AND 4: REPAIRED FUSELAGE LH FRAME INNER CHORD AT BSTA 727 & AT STRINGER 18A AFT LOWER FITTING IAW EA# 24-153-02265-WIP1; EA# 24-153-02265-WIP2; EA# 24-153-02265-WIP3; EA# 24-153-02265-WIP4 AND EA#24-153-02265;[06] CERTIFIED RII WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.