Service difficulty report · Structure · Boeing 7377H4

Difficulty date
August 27, 2024
Submitted
October 7, 2024
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
58,186 hours, 34,914 cycles
Part
Structure
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 INNER CHORD BTW BS 294 TO BS 328 AT LEVEL STR 17L AND LBL 60 AT FWD GALLEY AREA 2024-533475<[01] REPLACED INNER CHORD LOC.BTW BS 270 TO BS 360 AT LEVEL STR 17L AND LBL 60 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND INSTALLED FASTENERS IAW 737-700 SRM 51-40-02 AND DRAWING # 141A8112 SHEET 10 REV A.<BR>SEE INDIVIDUAL SIGN-OFFS BELOW;[02] CORRECTED STEP 1.<BR>REPLACED INNER CHORD LOC.BTW BS 270 TO BS 360 AT LEVEL STR 17L AND LBL 60 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND INSTALLED FASTENERS IAW 737-700 SRM 51-40-02 AND DRAWING # 141A8110 SHEET 9 REV A.<BR>SEE INDIVIDUAL SIGN-OFFS BELOW;[03] REPLACED INNER CHORD LOC.BTW BS 270 TO BS 360 AT LEVEL STR 17L AND LBL 60 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND INSTALLED FASTENERS IAW 737-700 SRM 51-40-02 AND DRAWING # 141A8110 SHEET 9 REV A.<BR>SEE INDIVIDUAL SIGN-OFFS BELOW<BR>RII CERTIFIED

More about the Boeing 737-7H4