Service difficulty report · Intercostal · Boeing 75721B

Difficulty date
June 22, 2009
Submitted
June 23, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Intercostal
Part number
143N54984
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

BS 740 TO 760, RBL 12 INTERCOSTAL CORRODED. AREA EVALUATED FOUND INTERCOSTAL WEB AND CLIP CORRODED, BS 740 TO BS 760, RBL 12 INTERCOSTAL WEB PN 143N5498-4 AND CLIP PN 143N5496-2 FABRICATED IAW DWG 143N5498 SHT 2 REV D AND 143N5496 SHT 1 REV D, RESPECTIVELY. INTERCOSTAL WEB AND CLIP PART MARKED AS FX 143N5498-4 AND FX 143N5496-2 IAW GMM 7-0-1001 REV 107. CORRODED INTERCOSTAL WEB AND CLIP REMOVED AND REPLACED IAW SRM 51-40-02 REV 97. THIS REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

More about the Boeing 757-21B