Service difficulty report · Support · Boeing 73779P

Difficulty date
June 6, 2023
Submitted
July 10, 2023
Operation
Air carrier
Aircraft
N7827A
Make and model
Boeing 73779P
Aircraft serial
28255
Aircraft time
57,742 hours, 36,958 cycles
Part
Support
Condition
Corroded
Location
Zn 100 Fus Lower
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 SUPPORT ZEE LOCATED BTW BS727A TO BS727D LBL 21 WL 155.5 AT AFT CARGO COMPARTMENT 2023-365567<[01] ULTRASONIC EQUIPMENT USED: P/N:45MG; S/N:130064101; DUE DATE: 12-OCT-23;[02] REPLACED SUPPORT ZEE AND FASTENERS LOC.BS 727 TO BS 847 AND FASTENERS LBL 21 WL 155.5 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 AND DWG#146A7500 SHEET:61 REV:-;[03] CORRECTED STEP 2.<BR>REPLACED SUPPORT ZEE AND FASTENERS LOC.BS 727 TO BS 847 AND FASTENERS LBL 21 WL 155.5 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 AND DWG#146A7500 SHEET:61 REV:- SEE INDIVIDUAL SIGN OFF BELOW;[04] REPLACED SUPPORT ZEE AND FASTENERS LOC.BS 727 TO BS 847 AND FASTENERS LBL 21 WL 155.5 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 AND DWG#146A7500 SHEET:61 REV:- RII;SEE INDIVIDUAL SIGN OFF BELOW.

More about the Boeing 737-79P