Service difficulty report · Track · Boeing 7377H4

Difficulty date
July 5, 2022
Submitted
August 19, 2022
Operation
Air carrier
Aircraft
N202WN
Make and model
Boeing 7377H4
Aircraft serial
33999
Aircraft time
58,974 hours, 35,001 cycles
Part
Track
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 ON AFT CARGO BAY TRACK AT RBL 13 BS 927+7. / [01] REMOVED CORROSION ON ACB ON TRACK BS 927+7' RBL 13 IN L=1' X W=1' X D=0.012' FROM ORIGINAL TICKNESS OF 0.070' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 PAR 4.B FIG 103. <BR><BR>USED TOOL :<BR>ID:ATS601<BR>S/N:87172291<BR>DATE:06/2022<BR>DUE:06/2023;[02] VERIFIED CORRECTIVE ACTION 1 COMPLETED;[03] CORROSION ON TRACK ITS OUT OF LIMITS WILL BE REPAIRED BY REPLACEMENT OF PART IAW SRM 51-10-02 PAR 9.<BR><BR>REMOVED TRACK AT ACB BTW BS 887 TO BS 947 RBL 13 IAW SRM 51-40-02;[04] REMOVED AFT BAY TIE DOWN TRACK BS 887-947 RBL 13 IAW SRM 51-40-02 0G-0;[05] LOCATED AND DRILLED NEW AFT CARGO BAY TRACK AT RBL 13 ; BETWEEN BS 887 TO BS 947.5 IAW SRM 51-40-05-0G-0 AND DWG 147A7500; ID:0005 ; REV:C; OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTION 4; OK TO INSTALL GIVEN.;[07] INSTALLED NEW AFT CARGO BAY TRACK AT RBL 13 ; BETWEEN BS 887 TO BS 947.5 IAW SRM 51-40-05-0G-0 AND DWG 147A7500; ID:0005 ; REV:C;[08] EDIT MEASUREMENTS;[09] VERIFIED CORRETIVE ACTION 7.;[10] VERIFIED MEASUREMENT TABLE.

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