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SDR EE4Y2018080907041

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Service difficulty report · Unknown · Boeing 737

FAA SDR system

Difficulty date
July 24, 2018
Submitted
April 14, 2022
Operation
Air carrier
Aircraft
N311GT
Make and model
Boeing 737
Aircraft serial
26316
System (JASC)
3500 · Oxygen System
Part
Unknown
Condition
Damaged
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING THE MAINTENANCE SERVICE COO FOUND AT BS 178 BULKHEAD SEVERAL PARTS DAMAGED, THE AFFECTED PARTS WERE REPAIRED OR REPLACED AS FOLLOWS: 1- LH SIDE CHORD WITH CRACK AT WL 207 / REPLACED CHORD PER S/B 737-53A1173 REV 4 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.

2- RH SIDE CHORD WITH CRACK AT WL 207 / REPLACED CHORD PER S/B 737-53A1173 REV 4 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.

3- AT WL 207, LBL 27 FLOOR STRUCTURE WITH CORROSION / REPLACED LH WEB PER S/B 737-53A1173 REV 4, FIG. 68 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.

4- AT WL 207, RBL 27 FLOOR STRUCTURE WITH CORROSION / REPLACED RH WEB PER S/B 737-53A1173 REV 4, FIG. 68 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.

5- AT WL 177.5, LBL 5.7 VERTICAL BEAM WEB WITH CRACKS (2 EA) / REPAIRED VERTICAL BEAM WEB PER S/B 737-53A1225 REV 1, FIG. 11 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG 65C38473.

6- AT WL 177.5, RBL 5.7 VERTICAL BEAM WEB WITH CRACK / REPAIRED VERTICAL BEAM WEB PER S/B 737-53A1225 REV 1, FIG. 11 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG 65C38473.

7- AT WL 234, RBL 10.2, BULKHEAD WEB WITH CRACK / REPAIRED WEB PER S/B 737-53A1173 REV 4, FIG. 20 AND 25 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.

8- AT WL 234, LBL 8.2 AND LBL 12, BULKHEAD WEB WITH CRACKS (2 EA) / REPAIRED WEB PER S/B 737-53A1173 REV 4, FIG. 20 AND 25 SECTION 3 ACCOMPLISHMENT INSTRUCTIONS AND BOEING DWG. 65C37590.