Service difficulty report · Web · Doug DC871F

Difficulty date
February 4, 2011
Submitted
March 9, 2011
Operation
Air carrier
Aircraft
N821BX
Make and model
Doug DC871F
Aircraft serial
45811
Aircraft time
91,517 hours, 39,480 cycles
Part
Web
Condition
Cracked
Location
Zone 300
Part time
91,517 hours, 39,480 cycles
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

DURING ROUTINE C-CHECK INSP FOUND RUDDER RIB WEB CRACKED AT STA ZR 106.00. REMOVED CRACKED WEB. FABRICATED NEW WEB. PERFORMED HEAT TREATMENT. CLEANED, TREATED, PRIMED AREA AND REPAIRED PARTS. APPLIED SEALANT TO FAYING SURFACES. PERFORMED RUDDER BALANCE. FOUND WITHIN LIMITS MOMENT 2553.3 IN-LBS. INSTALLED NEW WEB IAW SRM CHAP 55-6-1, FIG 2, SHEET 2, SRM 55-1-0 PAGE 1, SRM 51-1-21, SRM 51-3-0, SRM 55-6-1 FIG 1 SHEET 2 ITEM "Q", DPS 4.710 REV. "L", SRM 51-1-4, DPS 3.69-5 REW "U", SRM 51-1-1, DP 7.00-1 REV."BL", SRM 51-1-8B, SRM 51-1-11, SRM 51-1-21, SRM 51-3-0 AND SRM 51-3-1 AND SRM 51-4-6, PAGES 1-2.

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