SDR SWAA2021071686888

Service difficulty report · Access Panel · Boeing 7377H4

Difficulty date: April 21, 2020
Submitted: July 16, 2021
Operation: Air carrier
Aircraft: N922WN
Make and model: Boeing 7377H4
Aircraft serial: 32461
Aircraft time: 41,140 hours, 24,679 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Access Panel
Condition: Worn
Location: R/H Wing
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

R/H WING; FUEL TANK ACCESS PANEL #632CB; PANEL ATTACH RING; AREAS OF LITE FRETTING ON TOP SIDE OF MOUNT RING; AREAS MARKED IN BLACK / EVALUATED RH WING FUEL TANK ACCESS PANEL 632CB PANEL ATTACH RING FRETTING IAW B737 SRM 57-20-01-1A-1 FIGURE 104 SHEET 7 CIRCLE H. BOND SURFACE AREA EXCEED MAXIMUM ALLOWABLE REWORK PERCENTAGE. REWORK NOT PERMITTED. ORDERED AND RECEIVED SERVICEABLE PANEL ATTACH RING FOR RH WING FUEL TANK ACCESS PANEL 632CB IAW B737 SRM 51-10-02-0G-0 STEP 9A AND IPC 28-11-11-02A. ATAG #A50697

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