Service difficulty report · Bulkhead · Boeing 737*

Difficulty date
February 9, 2022
Submitted
February 14, 2022
Operation
Air carrier
Aircraft
N946WN
Make and model
Boeing 737*
Aircraft serial
36918
Aircraft time
38,769 hours, 23,511 cycles
Part
Bulkhead
Condition
Corroded
Stage of operation
UK
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 SPOTS ON THE AFT END OF THE UPPER FLANGE OF BS 259.5 BULKHEAD (WL 208.1; FROM LBL 11 TO RBL 11) 8-41. INSTALLED EWIS PROTECTION UNDER FLOOR STRUCTURE WHERE PANEL 211 AF FROM BS 259 TO 270 ; RBL 11 TO LBL 11 IAW 20-60-07-913-801. REMOVED FASTENER FOR ACCESS TO REMOVE CORROSION AT AFT END OF UPPER FLANGE OF BS 259 LBL 11 TO RBL 11 IAW SRM 51-40-02-0G-0. REMOVED LIGHT CORROSION ON AREAS IAW SRM 51-10-02-0G-0. REMOVED LIGHT CORROSION ON AREAS IAW SRM 51-10-02-0G-0. FOUND IN LIMITS IAW SRM 53-10-51-1A-1 FIG 105. APPLIED ALODINE & PRIMER ON AREA.