Service difficulty report · Panel · Boeing 7377Q8

Difficulty date
December 9, 2019
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N7864B
Make and model
Boeing 7377Q8
Aircraft serial
30638
Aircraft time
53,114 hours, 35,662 cycles
Part
Panel
Part number
632CB
Condition
Corroded
Location
Rh 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

FUEL PNL 633CB OUTER RING MATING SURFACE HAS PITTING. / REMOVED PITTING ON MATING SURFACE OF CLAMP RING AT FUEL PNL 633CB IAW B737 SRM 57-20-01-2R-1 STEPS 4D(3) AND 4E. EVALUATED BLEND ON CLAMP RING AT FUEL PNL 633CB IAW B737 SRM 57-20-01-2R-1 STEPS 4F; HG AND FIGURE 205 SHEET 1. BLEND DEPTH: 0.023' MAX BLEND DEPTH: 0.015' BLEND ON CLAMP RING AT FUEL PNL 633CB IS OUT OF LIMITS REPLACED CLAMP RING AT FUEL PNL 633CB IAW B737 SRM 51-10-02-0G-0 STEP 9A AND 2PC 28-11-11-02. ATAG# A36202

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