AD 85-01-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer S.A. | EMB-110P1 | EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes |
| aircraft | Embraer S.A. | EMB-110P2 | EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes |
Unsafe Condition
Possible structural failure of the empennage assembly due to loose, cocked, or sheared rivets and signs of fretting in specific areas indicated on Figure 2, Page 17 of EMBRAER Service Bulletin No. 110-53-019, Change 2.
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Required Actions
Remove elevator preload springs and cross brace from the empennage, inspect for loose, cocked, or sheared rivets and fretting using a mirror, light, and .010-inch feeler gauge, and check for relative movement between structural members when deflecting the horizontal stabilizer. Correct discrepancies, reassemble, and report findings to the FAA within 24 hours.
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Compliance Time
within the next 18 hours time-in-service after the effective date of this AD unless previously accomplished within the past 50 hours time-in-service or modified per paragraphs d) and e) of AD 83-14-09
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Affected Aircraft
Embraer S.A. Models EMB-110P1 and EMB-110P2 (all serial numbers)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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