Service difficulty report · Rail · Boeing 7377H4

Difficulty date
July 21, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Rail
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 RAIL AT AFT CARGO BAY BS767+6 LBL12. / [01] CORRODED SPLICE REPAIR ; ON UPPER FLANGE AT A JOGGLE; LOCATED AT AFT CARGO BAY BS 767 + 6 LBL12 NOT HAVE ENTRIES IN SRM BY ALLOWABLE DAMAGE MUST BE REPAIR BY REPLACEMENT IAW SRM 51-10-02 ITEM 9.C.;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REMOVED SPLICE REPAIR LOCATED AT A JOGGLE AT AFT CARGO BAY BS 767 + 6 LBL12 IAW SRM 51-40-02. RECEIVED REPAIR CHANNEL WITH P/N: 53100004-001; LOT: 1469421; LOCATED AND DRILLED IAW. SRM 51-40-05-0G-0; SRM 53-00-53-2R-2 REPAIR 2 PARAG. 4.I.(5).& DWG# 53100004. OK TO INSTALL;[04] VERIFIED ITEM 3 CORRECTIVE ACTIONS. OK TO INSTALL.;[05] INSTALLED ACB FLOOR RAIL SPLICE ANGLE AT JOGGLE BS 767 + 6 LBL.12 IAW SRM 53-00-53-2R-2 REPAIR 2;[06] VERIFIED CORRECTIVE ACTION ITEM 5.;[07] VERIFIED MEASUREMENTS. FAULT COMPLETE.

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