Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 23, 2020
Submitted
October 23, 2020
Operation
Air carrier
Aircraft
N431WN
Make and model
Boeing 7377H4
Aircraft serial
29845
Aircraft time
61,876 hours, 36,311 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
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 BETWEEN BS 727 TO BS 847 STR 25L AND WL 157 AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BETWEEN BS 727 TO BS 847 STR 252 AND WL 157 AFT CARGO COMPARTMENT, IAW B737-700 SRM 51-10-02 AND DWG 146A7500 REV AND INSTALL REPAIR ON SUPPORT ZEE LOCATED BS 727E AND BS 747 STR 25L, IAW B737-700 AMM 53-00-53-2R REPAIR 6 STEP 4(L).

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