Service difficulty report · Support Channel · Boeing 75721B

Difficulty date
November 9, 2009
Submitted
November 10, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Support Channel
Part number
212N308029
Condition
Corroded
Location
Zone 100
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

RT AIR CON BAY-GROUND AIR CONNECTION SUPPORT CHANNEL ASSY AND SUPPORT BRACKETS 3 EA ON TOP FOUND CORRODED. EVALUATE AND RECTIFY. CORRODED SUPPORT CHANNEL AND SUPPORT BRACKETS (3 EA) ON RT AIR CON BAY AT STA 915, RBL 45 REMOVED AND REPLACED IAW SRM 51-40-02 REV 98. REPLACEMENT OF NEW SUPPORT CHANNEL AND SUPPORT BRACKETS (3 EA) FABRICATED IAW DWG 212N3080 SHT 1 REV C (MFG PL 2123080 REV. F) AND DWG 212N3082 SHT 1 REV. A ( MFG PL 212N3082 REV D). CHRONIC ACID ANODIZING CARRIED OUT IAW NR F-5100-133445 PART 1 ITEM 17 AND 18 AND NR F-5100-132608, PART 1, ITEM 51. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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