SDR UIEA2020061001270

Service difficulty report · Structure · Boeing 74747UF

Difficulty date: June 6, 2020
Submitted: June 10, 2020
Operation: Air carrier
Aircraft: N496MC
Make and model: Boeing 74747UF
Aircraft serial: 29257
Aircraft time: 82,485 hours, 13,672 cycles
System (JASC): 5230 · Cargo/Baggage Doors
Part: Structure
Part number: 65446251902
Part serial: 0000
Condition: Corroded
Location: Bs 1237-1477
Stage of operation: IN
How discovered: V
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

FOUND MAIN DECK CARGO UPPER CHORD CORRODED AT BS 1267 TO 1271, 1330, 1364, 1368, 1383 -1384, 1403 - 1404, 1477, RBL 11. REMOVE THE DAMAGED PART IAW SRM 51-40-02 REV 88. INSTALL NEW PART IAW SRM 51-40-02 REV 88 AND DWG 65B24600 SH 18 REV B, SH 19 REV C, SH 20 REV B. CHECKED NORMAL.

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