Service difficulty report · None · Boeing 737

Difficulty date
August 18, 2021
Submitted
April 29, 2022
Operation
Air carrier
Aircraft
N208WN
Make and model
Boeing 737
Aircraft serial
29856
Aircraft time
52,294 hours, 30,932 cycles
Part
None
Condition
Corroded
Location
Fuselage
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

SUPPLEMENTAL INFORMATION: CORROSION ON TRACK TIEDOWN AT AFT CARGO BAY BS867 LBL3 WL165. ; / [01] REMOVED CORROSION ON AFT CARGO BAY TRACK TIE DOWN BS 867 LBL 3 WL 165. AREA DIMENSIONS D=0.042' X LENGTH= 1.8' X W=0.9'. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 PARAGRAPH 4B(2) FIGURE 103 DETAIL G. DEPTH GAUGE USED ID: ATS1737.; [02] VERIFIED DAMAGE REMOVAL OUT OF LIMITS PER SRM 53-00-53-1A-2; [03] REMOVED TRACK AT CARGO BAY BS847-BS887 LBL3 WL165 IAW SRM 51-40-02-0G-0 .; [04] LOCATED AND DRILLED NEW CARGO TRACK/RAIL P/N: 7531505; LOT: 1453706-1 FROM BS727+4 THRU BS887; LBL3 IAW SRM 51-40-05 AND DWG 146A7500; OK TO INSTALL; [05] VERIFIED CORRECTIVE ACTION STEP 4. VERIFIED OK TO INSTALL.; [06] INSTALLED NEW CARGO TRACK RAIL FROM BS 727+4 TO BS 887 LBL 3 ACB IAW SRM 51-40-02-0G-0 DWG 146A7500 - 146A7503; [07] PART USAGE INFO; [08] VERIFIED THE INSTALLATION OF THE CARGO FLOOR TRACK BS727+4- BS887 LBL3 WL156 PER SRM 51-40-02-0G-0 DWG 146A7500 AND 146A7503