SDR SWAA2020060882913

Service difficulty report · Support · Boeing 7377H4

Difficulty date: May 17, 2020
Submitted: June 8, 2020
Operation: Air carrier
Aircraft: N479WN
Make and model: Boeing 7377H4
Aircraft serial: 33990
Aircraft time: 55,075 hours, 32,866 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Fuselage
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

CORROSION SUPPORT ZEE LOCATED BETWEEN BS727D TO BS807, STRINGER 25L, WL 154.5 AND LBL19 AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BETWEEN BS727 TO BS847, STRINGER 25L, WL 154.5 AND LBL 19 AFT CARGO COMPARTMENT IAW SRM 51-10-02 ITEM 9 53-00-53-2R-5 REPAIR 5.

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