Service difficulty report · Intercostal · Boeing 75721B

Difficulty date
August 31, 2009
Submitted
September 1, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Intercostal
Part number
149N71296
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

WING-TO-BODY FAIRING LWR INTERCOSTAL TEE FRAME SPLICE BETWEEN BS 800 TO BS 820, BL 0, HAS INTERGRANULAR CORROSION. EVALUATE AND RECTIFY. WING-TO-BODY FAIRING, FRAME SPLICE LR INTERCOSTAL TEE REMOVED AND REPLACED IAW SRM 51-40-02 REV. 97. INTERCOSTAL TEE FABRICATED IAW DWG 149N7129 SHT 1 REV C AND PART MARK AS FX 149N7129-6 IAW GMM 7-0-1001. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

More about the Boeing 757-21B