Service difficulty report · None · Boeing 7377H4

Difficulty date
September 1, 2022
Submitted
October 6, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
None
Condition
Corroded
Location
Aft Cargo Bay
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

CORROSION AT AFT CARGO BAY ON TRACK TIEDOWN LBL 17 BS787+3. / [01] REMOVED CORROSION ON TRACK TIEDOWN AT FCB BS 500 RBL 13 WL 156 REWORKED AREA L=2XW=1 MAX MATERIAL LOSS 0.026 WAS FOUND IN THE LIMITS IAW SRM 53-00-53-1A-2 STEP 4(B)2 A FIGURE 103.- <BR>TOOL USED DEPTH GAUGE ID ATS1738; DATE 09/2021; DUE 09/2022.-;[02] VERIFIED APPLICABILITY AS PER SRM 53-00-53-1A-2 ALLOWABLE DAMAGE; SRM 53-60-53-0I-2 IDENTIFICATION.-;[03] INSPECTED ACTION 1;2. VERIFIED MEASUREMENT TABLE;[04] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON TRACK TIEDOWN LBL 17 BS787+3.- IAW 737-700; AMM 51-21-72-370-804; AMM 51-21-41-370-802;[05] CORRECTION ACTION 1 <BR>REMOVED CORROSION ON TRACK TIEDOWN LBL 17 BS787+3 WL 156. REWORKED AREA L=2XW=1 MAX MATERIAL LOSS 0.026 WAS FOUND IN THE LIMITS IAW SRM 53-00-53-1A-2 STEP 4(B)2 A FIGURE 103.-<BR>TOOL USED DEPTH GAUGE ID ATS1738; DATE 09/2021; DUE 09/2022.-;[06] VERIFIED CORRECTIVE ACTION 5

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